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 | 7df0f39 | 2018-10-31 13:23:22 -0700 | [diff] [blame] | 59 | if (type.isInterface()) { |
Steven Moreland | d927e5c | 2018-07-10 16:03:43 -0700 | [diff] [blame] | 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 | |
Steven Moreland | 5add34d | 2018-11-08 16:31:30 -0800 | [diff] [blame] | 213 | void CompoundType::emitSafeUnionUnknownDiscriminatorError(Formatter& out, const std::string& value, |
| 214 | bool fatal) const { |
| 215 | if (fatal) { |
| 216 | out << "::android::hardware::details::logAlwaysFatal("; |
| 217 | } else { |
| 218 | out << "ALOGE(\"%s\", "; |
| 219 | } |
| 220 | out << "(\n"; |
Nirav Atre | e3cae85 | 2018-07-16 12:19:16 -0700 | [diff] [blame] | 221 | out.indent(2, [&] { |
| 222 | out << "\"Unknown union discriminator (value: \" +\n" |
| 223 | << "std::to_string(" << getUnionDiscriminatorType()->getCppTypeCast(value) |
| 224 | << ") + \").\").c_str());\n"; |
| 225 | }); |
| 226 | } |
| 227 | |
Nirav Atre | ca7a502 | 2018-06-29 20:43:49 -0700 | [diff] [blame] | 228 | void CompoundType::emitSafeUnionReaderWriterForInterfaces( |
| 229 | Formatter &out, |
| 230 | const std::string &name, |
| 231 | const std::string &parcelObj, |
| 232 | bool parcelObjIsPointer, |
| 233 | bool isReader, |
| 234 | ErrorMode mode) const { |
| 235 | |
| 236 | CHECK(mStyle == STYLE_SAFE_UNION); |
Nirav Atre | ca7a502 | 2018-06-29 20:43:49 -0700 | [diff] [blame] | 237 | |
| 238 | out.block([&] { |
| 239 | const auto discriminatorType = getUnionDiscriminatorType(); |
| 240 | if (isReader) { |
| 241 | out << discriminatorType->getCppStackType() |
| 242 | << " _hidl_d_primitive;\n"; |
| 243 | } else { |
| 244 | out << "const " |
| 245 | << discriminatorType->getCppStackType() |
| 246 | << " _hidl_d_primitive = " |
| 247 | << discriminatorType->getCppTypeCast(name + ".getDiscriminator()") |
| 248 | << ";\n"; |
| 249 | } |
| 250 | |
| 251 | getUnionDiscriminatorType()->emitReaderWriter(out, "_hidl_d_primitive", parcelObj, |
| 252 | parcelObjIsPointer, isReader, mode); |
| 253 | out << "switch ((" |
| 254 | << fullName() |
| 255 | << "::hidl_discriminator) _hidl_d_primitive) "; |
| 256 | |
| 257 | out.block([&] { |
| 258 | for (const auto& field : *mFields) { |
| 259 | out << "case " |
| 260 | << fullName() |
| 261 | << "::hidl_discriminator::" |
| 262 | << field->name() |
| 263 | << ": "; |
| 264 | |
| 265 | const std::string tempFieldName = "_hidl_temp_" + field->name(); |
| 266 | out.block([&] { |
| 267 | if (isReader) { |
| 268 | out << field->type().getCppResultType() |
| 269 | << " " |
| 270 | << tempFieldName |
| 271 | << ";\n"; |
| 272 | |
| 273 | field->type().emitReaderWriter(out, tempFieldName, parcelObj, |
| 274 | parcelObjIsPointer, isReader, mode); |
| 275 | |
| 276 | const std::string derefOperator = field->type().resultNeedsDeref() |
| 277 | ? "*" : ""; |
| 278 | out << name |
| 279 | << "." |
| 280 | << field->name() |
Nirav Atre | 64868d3 | 2018-07-15 19:15:18 -0700 | [diff] [blame] | 281 | << "(std::move(" |
Nirav Atre | ca7a502 | 2018-06-29 20:43:49 -0700 | [diff] [blame] | 282 | << derefOperator |
| 283 | << tempFieldName |
Nirav Atre | 64868d3 | 2018-07-15 19:15:18 -0700 | [diff] [blame] | 284 | << "));\n"; |
Nirav Atre | ca7a502 | 2018-06-29 20:43:49 -0700 | [diff] [blame] | 285 | } else { |
| 286 | const std::string fieldValue = name + "." + field->name() + "()"; |
| 287 | out << field->type().getCppArgumentType() |
| 288 | << " " |
| 289 | << tempFieldName |
| 290 | << " = " |
| 291 | << fieldValue |
| 292 | << ";\n"; |
| 293 | |
| 294 | field->type().emitReaderWriter(out, tempFieldName, parcelObj, |
| 295 | parcelObjIsPointer, isReader, mode); |
| 296 | } |
| 297 | out << "break;\n"; |
| 298 | }).endl(); |
| 299 | } |
| 300 | |
Nirav Atre | ca7a502 | 2018-06-29 20:43:49 -0700 | [diff] [blame] | 301 | out << "default: "; |
Steven Moreland | 5add34d | 2018-11-08 16:31:30 -0800 | [diff] [blame] | 302 | out.block([&] { |
| 303 | emitSafeUnionUnknownDiscriminatorError(out, "_hidl_d_primitive", |
| 304 | !isReader /*fatal*/); |
| 305 | if (isReader) { |
| 306 | out << "_hidl_err = BAD_VALUE;\n"; |
| 307 | handleError(out, mode); |
| 308 | } |
| 309 | }) |
Nirav Atre | e3cae85 | 2018-07-16 12:19:16 -0700 | [diff] [blame] | 310 | .endl(); |
Nirav Atre | ca7a502 | 2018-06-29 20:43:49 -0700 | [diff] [blame] | 311 | }).endl(); |
| 312 | }).endl(); |
| 313 | } |
| 314 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 315 | void CompoundType::emitReaderWriter( |
| 316 | Formatter &out, |
| 317 | const std::string &name, |
| 318 | const std::string &parcelObj, |
| 319 | bool parcelObjIsPointer, |
| 320 | bool isReader, |
| 321 | ErrorMode mode) const { |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 322 | |
| 323 | const std::string parcelObjDeref = |
| 324 | parcelObj + (parcelObjIsPointer ? "->" : "."); |
| 325 | |
Howard Chen | ecfb451 | 2017-11-21 18:28:53 +0800 | [diff] [blame] | 326 | if(containsInterface()){ |
Nirav Atre | ca7a502 | 2018-06-29 20:43:49 -0700 | [diff] [blame] | 327 | if (mStyle == STYLE_SAFE_UNION) { |
| 328 | emitSafeUnionReaderWriterForInterfaces(out, name, parcelObj, |
| 329 | parcelObjIsPointer, |
| 330 | isReader, mode); |
| 331 | return; |
| 332 | } |
| 333 | |
Howard Chen | ecfb451 | 2017-11-21 18:28:53 +0800 | [diff] [blame] | 334 | for (const auto& field : *mFields) { |
Nirav Atre | 1d56562 | 2018-07-13 15:41:21 -0700 | [diff] [blame] | 335 | const std::string tempFieldName = "_hidl_temp_" + field->name(); |
| 336 | const std::string fieldValue = name + "." + field->name(); |
| 337 | |
| 338 | out.block([&] { |
| 339 | if (isReader) { |
| 340 | out << field->type().getCppResultType() |
| 341 | << " " |
| 342 | << tempFieldName |
| 343 | << ";\n"; |
| 344 | } else { |
| 345 | out << field->type().getCppArgumentType() |
| 346 | << " " |
| 347 | << tempFieldName |
| 348 | << " = " |
| 349 | << fieldValue |
| 350 | << ";\n"; |
| 351 | } |
| 352 | |
| 353 | field->type().emitReaderWriter(out, tempFieldName, parcelObj, |
| 354 | parcelObjIsPointer, isReader, mode); |
| 355 | if (isReader) { |
| 356 | const std::string derefOperator = field->type().resultNeedsDeref() |
| 357 | ? "*" : ""; |
| 358 | out << fieldValue |
| 359 | << " = std::move(" |
| 360 | << derefOperator |
| 361 | << tempFieldName |
| 362 | << ");\n"; |
| 363 | } |
| 364 | }).endl(); |
Howard Chen | ecfb451 | 2017-11-21 18:28:53 +0800 | [diff] [blame] | 365 | } |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 366 | } else { |
Howard Chen | ecfb451 | 2017-11-21 18:28:53 +0800 | [diff] [blame] | 367 | const std::string parentName = "_hidl_" + name + "_parent"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 368 | |
Howard Chen | ecfb451 | 2017-11-21 18:28:53 +0800 | [diff] [blame] | 369 | out << "size_t " << parentName << ";\n\n"; |
| 370 | |
| 371 | if (isReader) { |
| 372 | out << "_hidl_err = " << parcelObjDeref << "readBuffer(" |
| 373 | << "sizeof(*" << name << "), &" << parentName << ", " |
| 374 | << " const_cast<const void**>(reinterpret_cast<void **>(" |
| 375 | << "&" << name << ")));\n"; |
| 376 | handleError(out, mode); |
| 377 | } else { |
| 378 | out << "_hidl_err = " |
| 379 | << parcelObjDeref |
| 380 | << "writeBuffer(&" |
| 381 | << name |
| 382 | << ", sizeof(" |
| 383 | << name |
| 384 | << "), &" |
| 385 | << parentName |
| 386 | << ");\n"; |
| 387 | handleError(out, mode); |
| 388 | } |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 389 | |
| 390 | bool needEmbeddedReadWrite = needsEmbeddedReadWrite(); |
| 391 | CHECK(mStyle != STYLE_UNION || !needEmbeddedReadWrite); |
| 392 | |
| 393 | if (needEmbeddedReadWrite) { |
Howard Chen | ecfb451 | 2017-11-21 18:28:53 +0800 | [diff] [blame] | 394 | emitReaderWriterEmbedded(out, 0 /* depth */, name, name, /* sanitizedName */ |
| 395 | isReader /* nameIsPointer */, parcelObj, parcelObjIsPointer, |
| 396 | isReader, mode, parentName, "0 /* parentOffset */"); |
| 397 | } |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 398 | } |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 399 | } |
| 400 | |
| 401 | void CompoundType::emitReaderWriterEmbedded( |
| 402 | Formatter &out, |
Andreas Huber | f9d49f1 | 2016-09-12 14:58:36 -0700 | [diff] [blame] | 403 | size_t /* depth */, |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 404 | const std::string &name, |
Yifan Hong | be2a373 | 2016-10-05 13:33:41 -0700 | [diff] [blame] | 405 | const std::string & /*sanitizedName */, |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 406 | bool nameIsPointer, |
| 407 | const std::string &parcelObj, |
| 408 | bool parcelObjIsPointer, |
| 409 | bool isReader, |
| 410 | ErrorMode mode, |
| 411 | const std::string &parentName, |
| 412 | const std::string &offsetText) const { |
| 413 | emitReaderWriterEmbeddedForTypeName( |
| 414 | out, |
| 415 | name, |
| 416 | nameIsPointer, |
| 417 | parcelObj, |
| 418 | parcelObjIsPointer, |
| 419 | isReader, |
| 420 | mode, |
| 421 | parentName, |
| 422 | offsetText, |
Andreas Huber | 0e00de4 | 2016-08-03 09:56:02 -0700 | [diff] [blame] | 423 | fullName(), |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 424 | "" /* childName */, |
| 425 | "" /* namespace */); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 426 | } |
| 427 | |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 428 | void CompoundType::emitJavaReaderWriter( |
| 429 | Formatter &out, |
| 430 | const std::string &parcelObj, |
| 431 | const std::string &argName, |
| 432 | bool isReader) const { |
| 433 | if (isReader) { |
| 434 | out << "new " << fullJavaName() << "();\n"; |
| 435 | } |
| 436 | |
Steven Moreland | c22e812 | 2018-10-10 13:06:39 -0700 | [diff] [blame] | 437 | out << "(" << getJavaTypeCast(argName) << ")." |
| 438 | << (isReader ? "readFromParcel" : "writeToParcel") << "(" << parcelObj << ");\n"; |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 439 | } |
| 440 | |
| 441 | void CompoundType::emitJavaFieldInitializer( |
| 442 | Formatter &out, const std::string &fieldName) const { |
Nirav Atre | 1d56562 | 2018-07-13 15:41:21 -0700 | [diff] [blame] | 443 | const std::string fieldDeclaration = fullJavaName() + " " + fieldName; |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 444 | emitJavaFieldDefaultInitialValue(out, fieldDeclaration); |
| 445 | } |
| 446 | |
| 447 | void CompoundType::emitJavaFieldDefaultInitialValue( |
| 448 | Formatter &out, const std::string &declaredFieldName) const { |
| 449 | out << declaredFieldName |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 450 | << " = new " |
| 451 | << fullJavaName() |
| 452 | << "();\n"; |
| 453 | } |
| 454 | |
| 455 | void CompoundType::emitJavaFieldReaderWriter( |
| 456 | Formatter &out, |
Andreas Huber | 4c865b7 | 2016-09-14 15:26:27 -0700 | [diff] [blame] | 457 | size_t /* depth */, |
Andreas Huber | 709b62d | 2016-09-19 11:21:18 -0700 | [diff] [blame] | 458 | const std::string &parcelName, |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 459 | const std::string &blobName, |
| 460 | const std::string &fieldName, |
| 461 | const std::string &offset, |
| 462 | bool isReader) const { |
| 463 | if (isReader) { |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 464 | out << "(" |
| 465 | << getJavaTypeCast(fieldName) |
| 466 | << ").readEmbeddedFromParcel(" |
Andreas Huber | 709b62d | 2016-09-19 11:21:18 -0700 | [diff] [blame] | 467 | << parcelName |
| 468 | << ", " |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 469 | << blobName |
| 470 | << ", " |
| 471 | << offset |
| 472 | << ");\n"; |
| 473 | |
| 474 | return; |
| 475 | } |
| 476 | |
| 477 | out << fieldName |
| 478 | << ".writeEmbeddedToBlob(" |
| 479 | << blobName |
| 480 | << ", " |
| 481 | << offset |
| 482 | << ");\n"; |
| 483 | } |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 484 | void CompoundType::emitResolveReferences( |
| 485 | Formatter &out, |
| 486 | const std::string &name, |
| 487 | bool nameIsPointer, |
| 488 | const std::string &parcelObj, |
| 489 | bool parcelObjIsPointer, |
| 490 | bool isReader, |
| 491 | ErrorMode mode) const { |
| 492 | emitResolveReferencesEmbedded( |
| 493 | out, |
| 494 | 0 /* depth */, |
| 495 | name, |
| 496 | name /* sanitizedName */, |
| 497 | nameIsPointer, |
| 498 | parcelObj, |
| 499 | parcelObjIsPointer, |
| 500 | isReader, |
| 501 | mode, |
| 502 | "_hidl_" + name + "_parent", |
| 503 | "0 /* parentOffset */"); |
| 504 | } |
| 505 | |
| 506 | void CompoundType::emitResolveReferencesEmbedded( |
| 507 | Formatter &out, |
| 508 | size_t /* depth */, |
| 509 | const std::string &name, |
| 510 | const std::string &/* sanitizedName */, |
| 511 | bool nameIsPointer, |
| 512 | const std::string &parcelObj, |
| 513 | bool parcelObjIsPointer, |
| 514 | bool isReader, |
| 515 | ErrorMode mode, |
| 516 | const std::string &parentName, |
| 517 | const std::string &offsetText) const { |
| 518 | CHECK(needsResolveReferences()); |
| 519 | |
| 520 | const std::string parcelObjDeref = |
| 521 | parcelObjIsPointer ? ("*" + parcelObj) : parcelObj; |
| 522 | |
| 523 | const std::string parcelObjPointer = |
| 524 | parcelObjIsPointer ? parcelObj : ("&" + parcelObj); |
| 525 | |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 526 | const std::string nameDerefed = nameIsPointer ? ("*" + name) : name; |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 527 | const std::string namePointer = nameIsPointer ? name : ("&" + name); |
| 528 | |
| 529 | out << "_hidl_err = "; |
| 530 | |
| 531 | if (isReader) { |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 532 | out << "readEmbeddedReferenceFromParcel(\n"; |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 533 | } else { |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 534 | out << "writeEmbeddedReferenceToParcel(\n"; |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 535 | } |
| 536 | |
Yifan Hong | 33223ca | 2016-12-13 15:07:35 -0800 | [diff] [blame] | 537 | out.indent(2, [&]{ |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 538 | if (isReader) { |
| 539 | out << "const_cast<" |
| 540 | << fullName() |
| 541 | << " *" |
| 542 | << ">(" |
| 543 | << namePointer |
| 544 | << "),\n" |
| 545 | << parcelObjDeref; |
| 546 | } else { |
| 547 | out << nameDerefed |
| 548 | << ",\n" |
| 549 | << parcelObjPointer; |
| 550 | } |
| 551 | |
| 552 | out << ",\n" |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 553 | << parentName |
| 554 | << ",\n" |
| 555 | << offsetText |
| 556 | << ");\n\n"; |
| 557 | }); |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 558 | |
| 559 | handleError(out, mode); |
| 560 | } |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 561 | |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 562 | void CompoundType::emitLayoutAsserts(Formatter& out, const Layout& layout, |
| 563 | const std::string& layoutName) const { |
| 564 | out << "static_assert(sizeof(" |
| 565 | << fullName() |
| 566 | << layoutName |
| 567 | << ") == " |
| 568 | << layout.size |
| 569 | << ", \"wrong size\");\n"; |
| 570 | |
| 571 | out << "static_assert(__alignof(" |
| 572 | << fullName() |
| 573 | << layoutName |
| 574 | << ") == " |
| 575 | << layout.align |
| 576 | << ", \"wrong alignment\");\n"; |
| 577 | } |
| 578 | |
| 579 | void CompoundType::emitSafeUnionTypeDeclarations(Formatter& out) const { |
| 580 | out << "struct " |
| 581 | << localName() |
| 582 | << " final {\n"; |
| 583 | |
| 584 | out.indent(); |
| 585 | |
| 586 | Scope::emitTypeDeclarations(out); |
| 587 | |
Nirav Atre | 12c597a | 2018-06-28 09:35:24 -0700 | [diff] [blame] | 588 | bool hasPointer = containsPointer(); |
| 589 | CompoundLayout layout = hasPointer |
| 590 | ? CompoundLayout() |
| 591 | : getCompoundAlignmentAndSize(); |
| 592 | |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 593 | out << "enum class hidl_discriminator : " |
| 594 | << getUnionDiscriminatorType()->getCppType(StorageMode_Stack, false) |
| 595 | << " "; |
| 596 | |
| 597 | out.block([&] { |
Nirav Atre | 71ce008 | 2018-08-01 15:39:49 -0700 | [diff] [blame] | 598 | const auto elements = getSafeUnionEnumElements(true /* useCppTypeName */); |
| 599 | for (size_t i = 0; i < elements.size(); i++) { |
| 600 | out << elements[i].fieldName |
| 601 | << " = " |
| 602 | << i |
| 603 | << ","; |
| 604 | |
| 605 | if (!elements[i].fieldTypeName.empty()) { |
| 606 | out << " // " |
| 607 | << elements[i].fieldTypeName; |
| 608 | } |
| 609 | out << "\n"; |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 610 | } |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 611 | }); |
| 612 | out << ";\n\n"; |
| 613 | |
Nirav Atre | 64868d3 | 2018-07-15 19:15:18 -0700 | [diff] [blame] | 614 | out << localName() << "();\n" // Constructor |
| 615 | << "~" << localName() << "();\n" // Destructor |
| 616 | << localName() << "(" << localName() << "&&);\n" // Move constructor |
| 617 | << localName() << "(const " << localName() << "&);\n" // Copy constructor |
| 618 | << localName() << "& operator=(" << localName() << "&&);\n" // Move assignment |
| 619 | << localName() << "& operator=(const " << localName() << "&);\n\n"; // Copy assignment |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 620 | |
| 621 | for (const auto& field : *mFields) { |
Nirav Atre | 64868d3 | 2018-07-15 19:15:18 -0700 | [diff] [blame] | 622 | // Setter (copy) |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 623 | out << "void " |
| 624 | << field->name() |
| 625 | << "(" |
| 626 | << field->type().getCppArgumentType() |
| 627 | << ");\n"; |
| 628 | |
Steven Moreland | 492bada | 2018-09-13 16:12:32 -0700 | [diff] [blame] | 629 | if (field->type().resolveToScalarType() == nullptr) { |
Nirav Atre | 64868d3 | 2018-07-15 19:15:18 -0700 | [diff] [blame] | 630 | // Setter (move) |
| 631 | out << "void " |
| 632 | << field->name() |
| 633 | << "(" |
| 634 | << field->type().getCppStackType() |
| 635 | << "&&);\n"; |
| 636 | } |
| 637 | |
| 638 | // Getter (mutable) |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 639 | out << field->type().getCppStackType() |
| 640 | << "& " |
| 641 | << field->name() |
| 642 | << "();\n"; |
| 643 | |
Nirav Atre | 64868d3 | 2018-07-15 19:15:18 -0700 | [diff] [blame] | 644 | // Getter (immutable) |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 645 | out << field->type().getCppArgumentType() |
| 646 | << " " |
| 647 | << field->name() |
| 648 | << "() const;\n\n"; |
| 649 | } |
| 650 | |
Nirav Atre | 12c597a | 2018-06-28 09:35:24 -0700 | [diff] [blame] | 651 | out << "// Utility methods\n"; |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 652 | out << "hidl_discriminator getDiscriminator() const;\n\n"; |
| 653 | |
Nirav Atre | 12c597a | 2018-06-28 09:35:24 -0700 | [diff] [blame] | 654 | out << "constexpr size_t hidl_getUnionOffset() const "; |
| 655 | out.block([&] { |
| 656 | out << "return offsetof(" << fullName() << ", hidl_u);\n"; |
| 657 | }).endl().endl(); |
| 658 | |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 659 | out.unindent(); |
| 660 | out << "private:\n"; |
| 661 | out.indent(); |
| 662 | |
| 663 | out << "void hidl_destructUnion();\n\n"; |
Nirav Atre | 12c597a | 2018-06-28 09:35:24 -0700 | [diff] [blame] | 664 | |
| 665 | out << "hidl_discriminator hidl_d"; |
| 666 | if (!hasPointer) { |
| 667 | out << " __attribute__ ((aligned(" |
| 668 | << layout.discriminator.align << "))) "; |
| 669 | } |
Steven Moreland | 967c243 | 2018-10-10 12:50:43 -0700 | [diff] [blame] | 670 | out << ";\n"; |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 671 | out << "union hidl_union final {\n"; |
| 672 | out.indent(); |
| 673 | |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 674 | for (const auto& field : *mFields) { |
| 675 | |
| 676 | size_t fieldAlign, fieldSize; |
| 677 | field->type().getAlignmentAndSize(&fieldAlign, &fieldSize); |
| 678 | |
| 679 | out << field->type().getCppStackType() |
| 680 | << " " |
| 681 | << field->name(); |
| 682 | |
| 683 | if (!hasPointer) { |
| 684 | out << " __attribute__ ((aligned(" |
| 685 | << fieldAlign |
| 686 | << ")))"; |
| 687 | } |
| 688 | out << ";\n"; |
| 689 | } |
| 690 | |
| 691 | out << "\n" |
| 692 | << "hidl_union();\n" |
| 693 | << "~hidl_union();\n"; |
| 694 | |
| 695 | out.unindent(); |
Nirav Atre | 12c597a | 2018-06-28 09:35:24 -0700 | [diff] [blame] | 696 | out << "} hidl_u;\n"; |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 697 | |
| 698 | if (!hasPointer) { |
| 699 | out << "\n"; |
| 700 | |
| 701 | emitLayoutAsserts(out, layout.innerStruct, "::hidl_union"); |
| 702 | emitLayoutAsserts(out, layout.discriminator, "::hidl_discriminator"); |
| 703 | } |
| 704 | |
| 705 | out.unindent(); |
| 706 | out << "};\n\n"; |
| 707 | |
| 708 | if (!hasPointer) { |
| 709 | emitLayoutAsserts(out, layout.overall, ""); |
| 710 | out << "\n"; |
| 711 | } |
| 712 | } |
| 713 | |
Steven Moreland | 368e460 | 2018-02-16 14:21:49 -0800 | [diff] [blame] | 714 | void CompoundType::emitTypeDeclarations(Formatter& out) const { |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 715 | if (mStyle == STYLE_SAFE_UNION) { |
| 716 | emitSafeUnionTypeDeclarations(out); |
| 717 | return; |
| 718 | } |
| 719 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 720 | out << ((mStyle == STYLE_STRUCT) ? "struct" : "union") |
| 721 | << " " |
Andreas Huber | 0e00de4 | 2016-08-03 09:56:02 -0700 | [diff] [blame] | 722 | << localName() |
Yifan Hong | b1d2ebc | 2016-12-20 17:18:07 -0800 | [diff] [blame] | 723 | << " final {\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 724 | |
| 725 | out.indent(); |
| 726 | |
| 727 | Scope::emitTypeDeclarations(out); |
| 728 | |
Andreas Huber | 60d3b22 | 2017-03-30 09:10:56 -0700 | [diff] [blame] | 729 | if (containsPointer()) { |
Andreas Huber | ca4bc89 | 2017-01-09 14:58:12 -0800 | [diff] [blame] | 730 | for (const auto &field : *mFields) { |
Steven Moreland | 49bad8d | 2018-05-17 15:45:26 -0700 | [diff] [blame] | 731 | field->emitDocComment(out); |
Andreas Huber | ca4bc89 | 2017-01-09 14:58:12 -0800 | [diff] [blame] | 732 | out << field->type().getCppStackType() |
| 733 | << " " |
| 734 | << field->name() |
| 735 | << ";\n"; |
| 736 | } |
| 737 | |
| 738 | out.unindent(); |
| 739 | out << "};\n\n"; |
| 740 | |
Steven Moreland | 368e460 | 2018-02-16 14:21:49 -0800 | [diff] [blame] | 741 | return; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 742 | } |
| 743 | |
Andreas Huber | ca4bc89 | 2017-01-09 14:58:12 -0800 | [diff] [blame] | 744 | for (int pass = 0; pass < 2; ++pass) { |
| 745 | size_t offset = 0; |
| 746 | for (const auto &field : *mFields) { |
| 747 | size_t fieldAlign, fieldSize; |
| 748 | field->type().getAlignmentAndSize(&fieldAlign, &fieldSize); |
| 749 | |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 750 | offset += Layout::getPad(offset, fieldAlign); |
Andreas Huber | ca4bc89 | 2017-01-09 14:58:12 -0800 | [diff] [blame] | 751 | |
| 752 | if (pass == 0) { |
| 753 | out << field->type().getCppStackType() |
| 754 | << " " |
| 755 | << field->name() |
| 756 | << " __attribute__ ((aligned(" |
| 757 | << fieldAlign |
| 758 | << ")));\n"; |
| 759 | } else { |
| 760 | out << "static_assert(offsetof(" |
| 761 | << fullName() |
| 762 | << ", " |
| 763 | << field->name() |
| 764 | << ") == " |
| 765 | << offset |
| 766 | << ", \"wrong offset\");\n"; |
| 767 | } |
| 768 | |
Andreas Huber | 60d3b22 | 2017-03-30 09:10:56 -0700 | [diff] [blame] | 769 | if (mStyle == STYLE_STRUCT) { |
| 770 | offset += fieldSize; |
| 771 | } |
Andreas Huber | ca4bc89 | 2017-01-09 14:58:12 -0800 | [diff] [blame] | 772 | } |
| 773 | |
| 774 | if (pass == 0) { |
| 775 | out.unindent(); |
| 776 | out << "};\n\n"; |
| 777 | } |
| 778 | } |
| 779 | |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 780 | CompoundLayout layout = getCompoundAlignmentAndSize(); |
| 781 | emitLayoutAsserts(out, layout.overall, ""); |
| 782 | out << "\n"; |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 783 | } |
| 784 | |
Timur Iskhakov | fd3f250 | 2017-09-05 16:25:02 -0700 | [diff] [blame] | 785 | void CompoundType::emitTypeForwardDeclaration(Formatter& out) const { |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 786 | switch (mStyle) { |
| 787 | case STYLE_UNION: { |
| 788 | out << "union"; |
| 789 | break; |
| 790 | } |
| 791 | case STYLE_STRUCT: |
| 792 | case STYLE_SAFE_UNION: { |
| 793 | out << "struct"; |
| 794 | break; |
| 795 | } |
| 796 | default: { |
| 797 | CHECK(!"Should not be here"); |
| 798 | } |
| 799 | } |
| 800 | out << " " << localName() << ";\n"; |
Timur Iskhakov | fd3f250 | 2017-09-05 16:25:02 -0700 | [diff] [blame] | 801 | } |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 802 | |
Steven Moreland | 368e460 | 2018-02-16 14:21:49 -0800 | [diff] [blame] | 803 | void CompoundType::emitPackageTypeDeclarations(Formatter& out) const { |
Steven Moreland | 4b8f7a1 | 2017-11-17 15:39:54 -0800 | [diff] [blame] | 804 | Scope::emitPackageTypeDeclarations(out); |
Yifan Hong | c6752dc | 2016-12-20 14:00:14 -0800 | [diff] [blame] | 805 | |
Steven Moreland | bf71421 | 2017-10-27 18:29:01 -0700 | [diff] [blame] | 806 | out << "static inline std::string toString(" |
| 807 | << getCppArgumentType() |
| 808 | << (mFields->empty() ? "" : " o") |
Steven Moreland | 09c6ebe | 2018-10-09 10:15:48 -0700 | [diff] [blame] | 809 | << ");\n"; |
| 810 | |
| 811 | if (canCheckEquality()) { |
| 812 | out << "static inline bool operator==(" |
| 813 | << getCppArgumentType() << " lhs, " << getCppArgumentType() << " rhs);\n"; |
| 814 | |
| 815 | out << "static inline bool operator!=(" |
| 816 | << getCppArgumentType() << " lhs, " << getCppArgumentType() << " rhs);\n"; |
| 817 | } else { |
| 818 | out << "// operator== and operator!= are not generated for " << localName() << "\n"; |
| 819 | } |
| 820 | |
| 821 | out.endl(); |
| 822 | } |
| 823 | |
| 824 | void CompoundType::emitPackageTypeHeaderDefinitions(Formatter& out) const { |
| 825 | Scope::emitPackageTypeHeaderDefinitions(out); |
| 826 | |
| 827 | out << "static inline std::string toString(" |
| 828 | << getCppArgumentType() |
| 829 | << (mFields->empty() ? "" : " o") |
Steven Moreland | bf71421 | 2017-10-27 18:29:01 -0700 | [diff] [blame] | 830 | << ") "; |
| 831 | |
| 832 | out.block([&] { |
| 833 | // include toString for scalar types |
| 834 | out << "using ::android::hardware::toString;\n" |
| 835 | << "std::string os;\n"; |
| 836 | out << "os += \"{\";\n"; |
| 837 | |
Steven Moreland | 5dec82f | 2018-10-10 13:33:29 -0700 | [diff] [blame] | 838 | if (mStyle == STYLE_SAFE_UNION) { |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 839 | out << "\nswitch (o.getDiscriminator()) {\n"; |
| 840 | out.indent(); |
Steven Moreland | bf71421 | 2017-10-27 18:29:01 -0700 | [diff] [blame] | 841 | } |
| 842 | |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 843 | for (const NamedReference<Type>* field : *mFields) { |
| 844 | if (mStyle == STYLE_SAFE_UNION) { |
| 845 | out << "case " |
| 846 | << fullName() |
| 847 | << "::hidl_discriminator::" |
| 848 | << field->name() |
| 849 | << ": "; |
| 850 | |
| 851 | out.block([&] { |
| 852 | out << "os += \"." |
| 853 | << field->name() |
| 854 | << " = \";\n" |
| 855 | << "os += toString(o." |
| 856 | << field->name() |
| 857 | << "());\n" |
| 858 | << "break;\n"; |
| 859 | }).endl(); |
| 860 | } else { |
| 861 | out << "os += \""; |
| 862 | if (field != *(mFields->begin())) { |
| 863 | out << ", "; |
| 864 | } |
| 865 | out << "." << field->name() << " = \";\n"; |
| 866 | field->type().emitDump(out, "os", "o." + field->name()); |
| 867 | } |
| 868 | } |
| 869 | |
Steven Moreland | 5dec82f | 2018-10-10 13:33:29 -0700 | [diff] [blame] | 870 | if (mStyle == STYLE_SAFE_UNION) { |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 871 | out << "default: "; |
Steven Moreland | 5add34d | 2018-11-08 16:31:30 -0800 | [diff] [blame] | 872 | out.block([&] { |
| 873 | emitSafeUnionUnknownDiscriminatorError(out, "o.getDiscriminator()", |
| 874 | true /*fatal*/); |
| 875 | }) |
Nirav Atre | e3cae85 | 2018-07-16 12:19:16 -0700 | [diff] [blame] | 876 | .endl(); |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 877 | |
| 878 | out.unindent(); |
| 879 | out << "}\n"; |
| 880 | } |
Steven Moreland | bf71421 | 2017-10-27 18:29:01 -0700 | [diff] [blame] | 881 | out << "os += \"}\"; return os;\n"; |
| 882 | }).endl().endl(); |
| 883 | |
| 884 | if (canCheckEquality()) { |
| 885 | out << "static inline bool operator==(" |
| 886 | << getCppArgumentType() << " " << (mFields->empty() ? "/* lhs */" : "lhs") << ", " |
| 887 | << getCppArgumentType() << " " << (mFields->empty() ? "/* rhs */" : "rhs") << ") "; |
| 888 | out.block([&] { |
Steven Moreland | 5dec82f | 2018-10-10 13:33:29 -0700 | [diff] [blame] | 889 | if (mStyle == STYLE_SAFE_UNION) { |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 890 | out.sIf("lhs.getDiscriminator() != rhs.getDiscriminator()", [&] { |
Steven Moreland | bf71421 | 2017-10-27 18:29:01 -0700 | [diff] [blame] | 891 | out << "return false;\n"; |
| 892 | }).endl(); |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 893 | |
| 894 | out << "switch (lhs.getDiscriminator()) {\n"; |
| 895 | out.indent(); |
| 896 | } |
| 897 | |
| 898 | for (const auto& field : *mFields) { |
| 899 | if (mStyle == STYLE_SAFE_UNION) { |
| 900 | out << "case " |
| 901 | << fullName() |
| 902 | << "::hidl_discriminator::" |
| 903 | << field->name() |
| 904 | << ": "; |
| 905 | |
| 906 | out.block([&] { |
| 907 | out << "return (lhs." |
| 908 | << field->name() |
| 909 | << "() == rhs." |
| 910 | << field->name() |
| 911 | << "());\n"; |
| 912 | }).endl(); |
| 913 | } else { |
| 914 | out.sIf("lhs." + field->name() + " != rhs." + field->name(), [&] { |
| 915 | out << "return false;\n"; |
| 916 | }).endl(); |
| 917 | } |
| 918 | } |
| 919 | |
Steven Moreland | 5dec82f | 2018-10-10 13:33:29 -0700 | [diff] [blame] | 920 | if (mStyle == STYLE_SAFE_UNION) { |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 921 | out << "default: "; |
| 922 | out.block([&] { |
Steven Moreland | 5add34d | 2018-11-08 16:31:30 -0800 | [diff] [blame] | 923 | emitSafeUnionUnknownDiscriminatorError(out, "lhs.getDiscriminator()", |
| 924 | true /*fatal*/); |
Nirav Atre | e3cae85 | 2018-07-16 12:19:16 -0700 | [diff] [blame] | 925 | }) |
| 926 | .endl(); |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 927 | |
| 928 | out.unindent(); |
| 929 | out << "}\n"; |
Steven Moreland | bf71421 | 2017-10-27 18:29:01 -0700 | [diff] [blame] | 930 | } |
| 931 | out << "return true;\n"; |
| 932 | }).endl().endl(); |
| 933 | |
| 934 | out << "static inline bool operator!=(" |
Steven Moreland | 09c6ebe | 2018-10-09 10:15:48 -0700 | [diff] [blame] | 935 | << getCppArgumentType() << " lhs, " << getCppArgumentType() << " rhs)"; |
Steven Moreland | bf71421 | 2017-10-27 18:29:01 -0700 | [diff] [blame] | 936 | out.block([&] { |
| 937 | out << "return !(lhs == rhs);\n"; |
| 938 | }).endl().endl(); |
Yifan Hong | 42c6843 | 2017-03-13 16:22:03 -0700 | [diff] [blame] | 939 | } else { |
Steven Moreland | f91048a | 2017-06-23 21:38:35 +0000 | [diff] [blame] | 940 | out << "// operator== and operator!= are not generated for " << localName() << "\n\n"; |
Yifan Hong | c6752dc | 2016-12-20 14:00:14 -0800 | [diff] [blame] | 941 | } |
Yifan Hong | c6752dc | 2016-12-20 14:00:14 -0800 | [diff] [blame] | 942 | } |
| 943 | |
Steven Moreland | 368e460 | 2018-02-16 14:21:49 -0800 | [diff] [blame] | 944 | void CompoundType::emitPackageHwDeclarations(Formatter& out) const { |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 945 | if (needsEmbeddedReadWrite()) { |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 946 | out << "::android::status_t readEmbeddedFromParcel(\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 947 | |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 948 | out.indent(2); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 949 | |
Martijn Coenen | b2a861c | 2017-04-18 15:54:25 -0700 | [diff] [blame] | 950 | out << "const " << fullName() << " &obj,\n" |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 951 | << "const ::android::hardware::Parcel &parcel,\n" |
| 952 | << "size_t parentHandle,\n" |
| 953 | << "size_t parentOffset);\n\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 954 | |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 955 | out.unindent(2); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 956 | |
| 957 | out << "::android::status_t writeEmbeddedToParcel(\n"; |
| 958 | |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 959 | out.indent(2); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 960 | |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 961 | out << "const " << fullName() << " &obj,\n" |
| 962 | << "::android::hardware::Parcel *parcel,\n" |
| 963 | << "size_t parentHandle,\n" |
| 964 | << "size_t parentOffset);\n\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 965 | |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 966 | out.unindent(2); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 967 | } |
| 968 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 969 | if(needsResolveReferences()) { |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 970 | out << "::android::status_t readEmbeddedReferenceFromParcel(\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 971 | out.indent(2); |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 972 | out << fullName() << " *obj,\n" |
| 973 | << "const ::android::hardware::Parcel &parcel,\n" |
| 974 | << "size_t parentHandle, size_t parentOffset);\n\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 975 | out.unindent(2); |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 976 | out << "::android::status_t writeEmbeddedReferenceToParcel(\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 977 | out.indent(2); |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 978 | out << "const " << fullName() << " &obj,\n" |
| 979 | << "::android::hardware::Parcel *,\n" |
| 980 | << "size_t parentHandle, size_t parentOffset);\n\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 981 | out.unindent(2); |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 982 | } |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 983 | } |
| 984 | |
Nirav Atre | 64868d3 | 2018-07-15 19:15:18 -0700 | [diff] [blame] | 985 | static void emitSafeUnionFieldConstructor(Formatter& out, |
| 986 | const NamedReference<Type>* field, |
| 987 | const std::string& initializerObjectName) { |
| 988 | out << "new (&hidl_u." |
| 989 | << field->name() |
| 990 | << ") " |
| 991 | << field->type().getCppStackType() |
| 992 | << "(" |
| 993 | << initializerObjectName |
| 994 | << ");\n"; |
| 995 | } |
| 996 | |
| 997 | static void emitSafeUnionSetterDefinition(Formatter& out, |
| 998 | const NamedReference<Type>* field, |
| 999 | const std::string& parameterName, |
| 1000 | bool usesMoveSemantics) { |
| 1001 | out.block([&] { |
| 1002 | out << "if (hidl_d != hidl_discriminator::" |
| 1003 | << field->name() |
| 1004 | << ") "; |
| 1005 | |
| 1006 | const std::string argumentName = usesMoveSemantics |
| 1007 | ? ("std::move(" + parameterName + ")") |
| 1008 | : parameterName; |
| 1009 | out.block([&] { |
| 1010 | out << "hidl_destructUnion();\n" |
| 1011 | << "::std::memset(&hidl_u, 0, sizeof(hidl_u));\n\n"; |
| 1012 | |
| 1013 | emitSafeUnionFieldConstructor(out, field, argumentName); |
| 1014 | out << "hidl_d = hidl_discriminator::" |
| 1015 | << field->name() |
| 1016 | << ";\n"; |
| 1017 | }).endl(); |
| 1018 | |
| 1019 | out << "else if (&(hidl_u." |
| 1020 | << field->name() |
| 1021 | << ") != &" |
| 1022 | << parameterName |
| 1023 | << ") "; |
| 1024 | |
| 1025 | out.block([&] { |
| 1026 | out << "hidl_u." |
| 1027 | << field->name() |
| 1028 | << " = " |
| 1029 | << argumentName |
| 1030 | << ";\n"; |
| 1031 | }).endl(); |
| 1032 | }).endl().endl(); |
| 1033 | } |
| 1034 | |
| 1035 | static void emitSafeUnionGetterDefinition(Formatter& out, const std::string& fieldName) { |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1036 | out.block([&] { |
| 1037 | out << "if (CC_UNLIKELY(hidl_d != hidl_discriminator::" |
| 1038 | << fieldName |
| 1039 | << ")) "; |
| 1040 | |
| 1041 | out.block([&] { |
Steven Moreland | 35835f1 | 2018-11-08 17:04:16 -0800 | [diff] [blame] | 1042 | out << "LOG_ALWAYS_FATAL(\"Bad safe_union access: safe_union has discriminator %\" " |
| 1043 | << "PRIu64 \" but discriminator %\" PRIu64 \" was accessed.\",\n"; |
| 1044 | out.indent(2, [&] { |
| 1045 | out << "static_cast<uint64_t>(hidl_d), " |
| 1046 | << "static_cast<uint64_t>(hidl_discriminator::" << fieldName << "));"; |
| 1047 | }).endl(); |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1048 | }).endl().endl(); |
| 1049 | |
| 1050 | out << "return hidl_u." |
| 1051 | << fieldName |
| 1052 | << ";\n"; |
| 1053 | }).endl().endl(); |
| 1054 | } |
| 1055 | |
Nirav Atre | 71ce008 | 2018-08-01 15:39:49 -0700 | [diff] [blame] | 1056 | std::vector<CompoundType::SafeUnionEnumElement> CompoundType::getSafeUnionEnumElements( |
| 1057 | bool useCppTypeName) const { |
| 1058 | std::vector<SafeUnionEnumElement> elements; |
Nirav Atre | 71ce008 | 2018-08-01 15:39:49 -0700 | [diff] [blame] | 1059 | |
| 1060 | for (const auto& field : *mFields) { |
| 1061 | const std::string fieldTypeName = useCppTypeName |
| 1062 | ? field->type().getCppStackType(true /* specifyNamespaces */) |
| 1063 | : field->type().getJavaType(true /* forInitializer */); |
| 1064 | |
| 1065 | elements.push_back({field->name(), fieldTypeName}); |
| 1066 | } |
| 1067 | |
| 1068 | return elements; |
| 1069 | } |
| 1070 | |
Nirav Atre | 64868d3 | 2018-07-15 19:15:18 -0700 | [diff] [blame] | 1071 | void CompoundType::emitSafeUnionCopyAndAssignDefinition(Formatter& out, |
| 1072 | const std::string& parameterName, |
| 1073 | bool isCopyConstructor, |
| 1074 | bool usesMoveSemantics) const { |
| 1075 | out.block([&] { |
| 1076 | if (!isCopyConstructor) { |
| 1077 | out << "if (this == &" |
| 1078 | << parameterName |
| 1079 | << ") { return *this; }\n\n"; |
| 1080 | } |
| 1081 | |
| 1082 | out << "switch (" |
| 1083 | << parameterName |
| 1084 | << ".hidl_d) "; |
| 1085 | |
| 1086 | out.block([&] { |
| 1087 | for (const auto& field : *mFields) { |
| 1088 | const std::string parameterFieldName = (parameterName + ".hidl_u." + |
| 1089 | field->name()); |
| 1090 | |
| 1091 | const std::string argumentName = usesMoveSemantics |
| 1092 | ? ("std::move(" + parameterFieldName + ")") |
| 1093 | : parameterFieldName; |
| 1094 | |
| 1095 | out << "case hidl_discriminator::" |
| 1096 | << field->name() |
| 1097 | << ": "; |
| 1098 | |
| 1099 | if (isCopyConstructor) { |
| 1100 | out.block([&] { |
| 1101 | emitSafeUnionFieldConstructor(out, field, argumentName); |
| 1102 | out << "break;\n"; |
| 1103 | }).endl(); |
| 1104 | } else { |
| 1105 | out.block([&] { |
| 1106 | out << field->name() |
| 1107 | << "(" |
| 1108 | << argumentName |
| 1109 | << ");\n" |
| 1110 | << "break;\n"; |
| 1111 | }).endl(); |
| 1112 | } |
| 1113 | } |
| 1114 | |
Nirav Atre | e3cae85 | 2018-07-16 12:19:16 -0700 | [diff] [blame] | 1115 | out << "default: "; |
Steven Moreland | 5add34d | 2018-11-08 16:31:30 -0800 | [diff] [blame] | 1116 | out.block([&] { |
| 1117 | emitSafeUnionUnknownDiscriminatorError(out, parameterName + ".hidl_d", |
| 1118 | true /*fatal*/); |
| 1119 | }) |
Nirav Atre | e3cae85 | 2018-07-16 12:19:16 -0700 | [diff] [blame] | 1120 | .endl(); |
Nirav Atre | 64868d3 | 2018-07-15 19:15:18 -0700 | [diff] [blame] | 1121 | }).endl(); |
| 1122 | |
| 1123 | if (isCopyConstructor) { |
| 1124 | out << "\nhidl_d = " |
| 1125 | << parameterName |
| 1126 | << ".hidl_d;\n"; |
| 1127 | } else { |
| 1128 | out << "return *this;\n"; |
| 1129 | } |
| 1130 | }).endl().endl(); |
| 1131 | } |
| 1132 | |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1133 | void CompoundType::emitSafeUnionTypeConstructors(Formatter& out) const { |
| 1134 | |
| 1135 | // Default constructor |
| 1136 | out << fullName() |
| 1137 | << "::" |
| 1138 | << localName() |
Nirav Atre | 12c597a | 2018-06-28 09:35:24 -0700 | [diff] [blame] | 1139 | << "() "; |
| 1140 | |
| 1141 | out.block([&] { |
| 1142 | out << "static_assert(offsetof(" |
| 1143 | << fullName() |
| 1144 | << ", hidl_d) == 0, \"wrong offset\");\n"; |
| 1145 | |
Steven Moreland | 5e20b65 | 2019-04-22 18:42:38 -0700 | [diff] [blame] | 1146 | const CompoundLayout layout = getCompoundAlignmentAndSize(); |
| 1147 | |
Nirav Atre | 12c597a | 2018-06-28 09:35:24 -0700 | [diff] [blame] | 1148 | if (!containsPointer()) { |
Steven Moreland | 5e20b65 | 2019-04-22 18:42:38 -0700 | [diff] [blame] | 1149 | out << "static_assert(offsetof(" << fullName() |
| 1150 | << ", hidl_u) == " << layout.innerStruct.offset << ", \"wrong offset\");\n"; |
Nirav Atre | 12c597a | 2018-06-28 09:35:24 -0700 | [diff] [blame] | 1151 | } |
Steven Moreland | 5e20b65 | 2019-04-22 18:42:38 -0700 | [diff] [blame] | 1152 | |
| 1153 | out.endl(); |
| 1154 | |
Steven Moreland | 37303be | 2019-04-26 16:52:38 -0700 | [diff] [blame] | 1155 | out << "::std::memset(&hidl_u, 0, sizeof(hidl_u));\n"; |
| 1156 | |
Steven Moreland | 5e20b65 | 2019-04-22 18:42:38 -0700 | [diff] [blame] | 1157 | // union itself is zero'd when set |
| 1158 | // padding after descriminator |
| 1159 | size_t dpad = layout.innerStruct.offset - layout.discriminator.size; |
| 1160 | emitPaddingZero(out, layout.discriminator.size /*offset*/, dpad /*size*/); |
| 1161 | |
| 1162 | size_t innerStructEnd = layout.innerStruct.offset + layout.innerStruct.size; |
| 1163 | // final padding of the struct |
| 1164 | size_t fpad = layout.overall.size - innerStructEnd; |
| 1165 | emitPaddingZero(out, innerStructEnd /*offset*/, fpad /*size*/); |
| 1166 | |
Steven Moreland | 967c243 | 2018-10-10 12:50:43 -0700 | [diff] [blame] | 1167 | out.endl(); |
| 1168 | |
| 1169 | CHECK(!mFields->empty()); |
| 1170 | out << "hidl_d = hidl_discriminator::" << mFields->at(0)->name() << ";\n"; |
| 1171 | emitSafeUnionFieldConstructor(out, mFields->at(0), ""); |
Nirav Atre | 12c597a | 2018-06-28 09:35:24 -0700 | [diff] [blame] | 1172 | }).endl().endl(); |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1173 | |
| 1174 | // Destructor |
| 1175 | out << fullName() |
| 1176 | << "::~" |
| 1177 | << localName() |
| 1178 | << "() "; |
| 1179 | |
| 1180 | out.block([&] { |
| 1181 | out << "hidl_destructUnion();\n"; |
| 1182 | }).endl().endl(); |
| 1183 | |
Nirav Atre | 64868d3 | 2018-07-15 19:15:18 -0700 | [diff] [blame] | 1184 | // Move constructor |
| 1185 | out << fullName() |
| 1186 | << "::" |
| 1187 | << localName() |
| 1188 | << "(" |
| 1189 | << localName() |
| 1190 | << "&& other) "; |
| 1191 | |
| 1192 | emitSafeUnionCopyAndAssignDefinition( |
| 1193 | out, "other", true /* isCopyConstructor */, true /* usesMoveSemantics */); |
| 1194 | |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1195 | // Copy constructor |
| 1196 | out << fullName() |
| 1197 | << "::" |
| 1198 | << localName() |
| 1199 | << "(const " |
| 1200 | << localName() |
| 1201 | << "& other) "; |
| 1202 | |
Nirav Atre | 64868d3 | 2018-07-15 19:15:18 -0700 | [diff] [blame] | 1203 | emitSafeUnionCopyAndAssignDefinition( |
| 1204 | out, "other", true /* isCopyConstructor */, false /* usesMoveSemantics */); |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1205 | |
Nirav Atre | 64868d3 | 2018-07-15 19:15:18 -0700 | [diff] [blame] | 1206 | // Move assignment operator |
| 1207 | out << fullName() |
| 1208 | << "& (" |
| 1209 | << fullName() |
| 1210 | << "::operator=)(" |
| 1211 | << localName() |
| 1212 | << "&& other) "; |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1213 | |
Nirav Atre | 64868d3 | 2018-07-15 19:15:18 -0700 | [diff] [blame] | 1214 | emitSafeUnionCopyAndAssignDefinition( |
| 1215 | out, "other", false /* isCopyConstructor */, true /* usesMoveSemantics */); |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1216 | |
Nirav Atre | 64868d3 | 2018-07-15 19:15:18 -0700 | [diff] [blame] | 1217 | // Copy assignment operator |
| 1218 | out << fullName() |
| 1219 | << "& (" |
| 1220 | << fullName() |
| 1221 | << "::operator=)(const " |
| 1222 | << localName() |
| 1223 | << "& other) "; |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1224 | |
Nirav Atre | 64868d3 | 2018-07-15 19:15:18 -0700 | [diff] [blame] | 1225 | emitSafeUnionCopyAndAssignDefinition( |
| 1226 | out, "other", false /* isCopyConstructor */, false /* usesMoveSemantics */); |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1227 | } |
| 1228 | |
| 1229 | void CompoundType::emitSafeUnionTypeDefinitions(Formatter& out) const { |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1230 | emitSafeUnionTypeConstructors(out); |
| 1231 | |
| 1232 | out << "void " |
| 1233 | << fullName() |
| 1234 | << "::hidl_destructUnion() "; |
| 1235 | |
| 1236 | out.block([&] { |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1237 | out << "switch (hidl_d) "; |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1238 | out.block([&] { |
| 1239 | |
| 1240 | for (const auto& field : *mFields) { |
| 1241 | out << "case hidl_discriminator::" |
| 1242 | << field->name() |
| 1243 | << ": "; |
| 1244 | |
| 1245 | out.block([&] { |
Steven Moreland | 9b37ed1 | 2018-10-25 11:10:57 -0700 | [diff] [blame] | 1246 | out << "::android::hardware::details::destructElement(&(hidl_u." |
Nirav Atre | 3b4c7ff | 2018-07-09 11:57:02 -0700 | [diff] [blame] | 1247 | << field->name() |
| 1248 | << "));\n" |
| 1249 | << "break;\n"; |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1250 | }).endl(); |
| 1251 | } |
| 1252 | |
Nirav Atre | e3cae85 | 2018-07-16 12:19:16 -0700 | [diff] [blame] | 1253 | out << "default: "; |
Steven Moreland | 5add34d | 2018-11-08 16:31:30 -0800 | [diff] [blame] | 1254 | out.block( |
| 1255 | [&] { emitSafeUnionUnknownDiscriminatorError(out, "hidl_d", true /*fatal*/); }) |
| 1256 | .endl(); |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1257 | }).endl().endl(); |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1258 | }).endl().endl(); |
| 1259 | |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1260 | for (const NamedReference<Type>* field : *mFields) { |
Nirav Atre | 64868d3 | 2018-07-15 19:15:18 -0700 | [diff] [blame] | 1261 | // Setter (copy) |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1262 | out << "void " |
| 1263 | << fullName() |
| 1264 | << "::" |
| 1265 | << field->name() |
| 1266 | << "(" |
| 1267 | << field->type().getCppArgumentType() |
| 1268 | << " o) "; |
| 1269 | |
Nirav Atre | 64868d3 | 2018-07-15 19:15:18 -0700 | [diff] [blame] | 1270 | emitSafeUnionSetterDefinition(out, field, "o", false /* usesMoveSemantics */); |
| 1271 | |
Steven Moreland | 492bada | 2018-09-13 16:12:32 -0700 | [diff] [blame] | 1272 | if (field->type().resolveToScalarType() == nullptr) { |
Nirav Atre | 64868d3 | 2018-07-15 19:15:18 -0700 | [diff] [blame] | 1273 | // Setter (move) |
| 1274 | out << "void " |
| 1275 | << fullName() |
| 1276 | << "::" |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1277 | << field->name() |
Nirav Atre | 64868d3 | 2018-07-15 19:15:18 -0700 | [diff] [blame] | 1278 | << "(" |
| 1279 | << field->type().getCppStackType() |
| 1280 | << "&& o) "; |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1281 | |
Nirav Atre | 64868d3 | 2018-07-15 19:15:18 -0700 | [diff] [blame] | 1282 | emitSafeUnionSetterDefinition(out, field, "o", true /* usesMoveSemantics */); |
| 1283 | } |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1284 | |
| 1285 | // Getter (mutable) |
| 1286 | out << field->type().getCppStackType() |
| 1287 | << "& (" |
| 1288 | << fullName() |
| 1289 | << "::" |
| 1290 | << field->name() |
| 1291 | << ")() "; |
| 1292 | |
Nirav Atre | 64868d3 | 2018-07-15 19:15:18 -0700 | [diff] [blame] | 1293 | emitSafeUnionGetterDefinition(out, field->name()); |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1294 | |
| 1295 | // Getter (immutable) |
| 1296 | out << field->type().getCppArgumentType() |
| 1297 | << " (" |
| 1298 | << fullName() |
| 1299 | << "::" |
| 1300 | << field->name() |
| 1301 | << ")() const "; |
| 1302 | |
Nirav Atre | 64868d3 | 2018-07-15 19:15:18 -0700 | [diff] [blame] | 1303 | emitSafeUnionGetterDefinition(out, field->name()); |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1304 | } |
| 1305 | |
| 1306 | // Trivial constructor/destructor for internal union |
| 1307 | out << fullName() << "::hidl_union::hidl_union() {}\n\n" |
| 1308 | << fullName() << "::hidl_union::~hidl_union() {}\n\n"; |
| 1309 | |
| 1310 | // Utility method |
Nirav Atre | ca7a502 | 2018-06-29 20:43:49 -0700 | [diff] [blame] | 1311 | out << fullName() << "::hidl_discriminator (" |
| 1312 | << fullName() << "::getDiscriminator)() const "; |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1313 | |
| 1314 | out.block([&] { |
Nirav Atre | ca7a502 | 2018-06-29 20:43:49 -0700 | [diff] [blame] | 1315 | out << "return hidl_d;\n"; |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1316 | }).endl().endl(); |
| 1317 | } |
| 1318 | |
Steven Moreland | 368e460 | 2018-02-16 14:21:49 -0800 | [diff] [blame] | 1319 | void CompoundType::emitTypeDefinitions(Formatter& out, const std::string& prefix) const { |
Steven Moreland | b158de1 | 2016-10-10 11:59:09 -0700 | [diff] [blame] | 1320 | std::string space = prefix.empty() ? "" : (prefix + "::"); |
Steven Moreland | 368e460 | 2018-02-16 14:21:49 -0800 | [diff] [blame] | 1321 | Scope::emitTypeDefinitions(out, space + localName()); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1322 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 1323 | if (needsEmbeddedReadWrite()) { |
| 1324 | emitStructReaderWriter(out, prefix, true /* isReader */); |
| 1325 | emitStructReaderWriter(out, prefix, false /* isReader */); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1326 | } |
| 1327 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 1328 | if (needsResolveReferences()) { |
| 1329 | emitResolveReferenceDef(out, prefix, true /* isReader */); |
| 1330 | emitResolveReferenceDef(out, prefix, false /* isReader */); |
| 1331 | } |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1332 | |
| 1333 | if (mStyle == STYLE_SAFE_UNION) { |
| 1334 | emitSafeUnionTypeDefinitions(out); |
| 1335 | } |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1336 | } |
| 1337 | |
Steven Moreland | 5add34d | 2018-11-08 16:31:30 -0800 | [diff] [blame] | 1338 | static void emitJavaSafeUnionUnknownDiscriminatorError(Formatter& out, bool fatal) { |
| 1339 | out << "throw new "; |
| 1340 | |
| 1341 | if (fatal) { |
| 1342 | out << "Error"; |
| 1343 | } else { |
| 1344 | out << "IllegalStateException"; |
| 1345 | } |
| 1346 | |
| 1347 | out << "(\"Unknown union discriminator (value: \" + hidl_d + \").\");\n"; |
Nirav Atre | e3cae85 | 2018-07-16 12:19:16 -0700 | [diff] [blame] | 1348 | } |
| 1349 | |
Steven Moreland | 368e460 | 2018-02-16 14:21:49 -0800 | [diff] [blame] | 1350 | void CompoundType::emitJavaTypeDeclarations(Formatter& out, bool atTopLevel) const { |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 1351 | out << "public final "; |
| 1352 | |
| 1353 | if (!atTopLevel) { |
| 1354 | out << "static "; |
| 1355 | } |
| 1356 | |
| 1357 | out << "class " |
| 1358 | << localName() |
| 1359 | << " {\n"; |
| 1360 | |
| 1361 | out.indent(); |
| 1362 | |
| 1363 | Scope::emitJavaTypeDeclarations(out, false /* atTopLevel */); |
| 1364 | |
Steven Moreland | 5dec82f | 2018-10-10 13:33:29 -0700 | [diff] [blame] | 1365 | if (mStyle == STYLE_SAFE_UNION) { |
Steven Moreland | 579b0f6 | 2018-10-25 13:40:47 -0700 | [diff] [blame] | 1366 | out << "public " << localName() << "() "; |
| 1367 | out.block([&] { |
| 1368 | CHECK(!mFields->empty()); |
| 1369 | mFields->at(0)->type().emitJavaFieldDefaultInitialValue(out, "hidl_o"); |
| 1370 | }).endl().endl(); |
| 1371 | |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1372 | const std::string discriminatorStorageType = ( |
| 1373 | getUnionDiscriminatorType()->getJavaType(false)); |
Steven Moreland | 49bad8d | 2018-05-17 15:45:26 -0700 | [diff] [blame] | 1374 | |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1375 | out << "public static final class hidl_discriminator "; |
| 1376 | out.block([&] { |
Nirav Atre | 71ce008 | 2018-08-01 15:39:49 -0700 | [diff] [blame] | 1377 | const auto elements = getSafeUnionEnumElements(false /* useCppTypeName */); |
| 1378 | for (size_t idx = 0; idx < elements.size(); idx++) { |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1379 | out << "public static final " |
| 1380 | << discriminatorStorageType |
| 1381 | << " " |
Nirav Atre | 71ce008 | 2018-08-01 15:39:49 -0700 | [diff] [blame] | 1382 | << elements[idx].fieldName |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1383 | << " = " |
| 1384 | << idx |
Nirav Atre | 71ce008 | 2018-08-01 15:39:49 -0700 | [diff] [blame] | 1385 | << ";"; |
| 1386 | |
| 1387 | if (!elements[idx].fieldTypeName.empty()) { |
| 1388 | out << " // " |
| 1389 | << elements[idx].fieldTypeName; |
| 1390 | } |
| 1391 | out << "\n"; |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1392 | } |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 1393 | |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1394 | out << "\n" |
| 1395 | << "public static final String getName(" |
| 1396 | << discriminatorStorageType |
| 1397 | << " value) "; |
| 1398 | |
| 1399 | out.block([&] { |
| 1400 | out << "switch (value) "; |
| 1401 | out.block([&] { |
Nirav Atre | 71ce008 | 2018-08-01 15:39:49 -0700 | [diff] [blame] | 1402 | for (size_t idx = 0; idx < elements.size(); idx++) { |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1403 | out << "case " |
| 1404 | << idx |
| 1405 | << ": { return \"" |
Nirav Atre | 71ce008 | 2018-08-01 15:39:49 -0700 | [diff] [blame] | 1406 | << elements[idx].fieldName |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1407 | << "\"; }\n"; |
| 1408 | } |
| 1409 | out << "default: { return \"Unknown\"; }\n"; |
| 1410 | }).endl(); |
| 1411 | }).endl().endl(); |
| 1412 | |
| 1413 | out << "private hidl_discriminator() {}\n"; |
| 1414 | }).endl().endl(); |
| 1415 | |
Steven Moreland | 967c243 | 2018-10-10 12:50:43 -0700 | [diff] [blame] | 1416 | out << "private " << discriminatorStorageType << " hidl_d = 0;\n"; |
Steven Moreland | 579b0f6 | 2018-10-25 13:40:47 -0700 | [diff] [blame] | 1417 | out << "private Object hidl_o = null;\n"; |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1418 | |
| 1419 | for (const auto& field : *mFields) { |
| 1420 | // Setter |
| 1421 | out << "public void " |
| 1422 | << field->name() |
| 1423 | << "(" |
| 1424 | << field->type().getJavaType(false) |
| 1425 | << " " |
| 1426 | << field->name() |
| 1427 | << ") "; |
| 1428 | |
| 1429 | out.block([&] { |
| 1430 | out << "hidl_d = hidl_discriminator." |
| 1431 | << field->name() |
| 1432 | << ";\n"; |
| 1433 | |
| 1434 | out << "hidl_o = " |
| 1435 | << field->name() |
| 1436 | << ";\n"; |
| 1437 | }).endl().endl(); |
| 1438 | |
| 1439 | // Getter |
| 1440 | out << "public " |
| 1441 | << field->type().getJavaType(false) |
| 1442 | << " " |
| 1443 | << field->name() |
| 1444 | << "() "; |
| 1445 | |
| 1446 | out.block([&] { |
| 1447 | out << "if (hidl_d != hidl_discriminator." |
| 1448 | << field->name() |
| 1449 | << ") "; |
| 1450 | |
| 1451 | out.block([&] { |
| 1452 | out << "String className = (hidl_o != null) ? " |
| 1453 | << "hidl_o.getClass().getName() : \"null\";\n"; |
| 1454 | |
| 1455 | out << "throw new IllegalStateException(\n"; |
| 1456 | out.indent(2, [&] { |
| 1457 | out << "\"Read access to inactive union components is disallowed. \" +\n" |
| 1458 | << "\"Discriminator value is \" + hidl_d + \" (corresponding \" +\n" |
| 1459 | << "\"to \" + hidl_discriminator.getName(hidl_d) + \"), and \" +\n" |
| 1460 | << "\"hidl_o is of type \" + className + \".\");\n"; |
| 1461 | }); |
| 1462 | }).endl(); |
| 1463 | |
| 1464 | out << "if (hidl_o != null && !" |
| 1465 | << field->type().getJavaTypeClass() |
| 1466 | << ".class.isInstance(hidl_o)) "; |
| 1467 | |
| 1468 | out.block([&] { |
| 1469 | out << "throw new Error(\"Union is in a corrupted state.\");\n"; |
| 1470 | }).endl(); |
| 1471 | |
| 1472 | out << "return (" |
| 1473 | << field->type().getJavaTypeCast("hidl_o") |
| 1474 | << ");\n"; |
| 1475 | }).endl().endl(); |
| 1476 | } |
| 1477 | |
| 1478 | out << "// Utility method\n" |
| 1479 | << "public " |
| 1480 | << discriminatorStorageType |
| 1481 | << " getDiscriminator() { return hidl_d; }\n\n"; |
| 1482 | |
Steven Moreland | 5dec82f | 2018-10-10 13:33:29 -0700 | [diff] [blame] | 1483 | } else { |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1484 | for (const auto& field : *mFields) { |
| 1485 | field->emitDocComment(out); |
| 1486 | |
| 1487 | out << "public "; |
| 1488 | field->type().emitJavaFieldInitializer(out, field->name()); |
| 1489 | } |
| 1490 | |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 1491 | out << "\n"; |
| 1492 | } |
| 1493 | |
Yifan Hong | ec10227 | 2016-12-20 18:10:07 -0800 | [diff] [blame] | 1494 | //////////////////////////////////////////////////////////////////////////// |
| 1495 | |
| 1496 | if (canCheckEquality()) { |
Yifan Hong | 7d1839f | 2017-02-22 13:24:29 -0800 | [diff] [blame] | 1497 | out << "@Override\npublic final boolean equals(Object otherObject) "; |
Yifan Hong | ec10227 | 2016-12-20 18:10:07 -0800 | [diff] [blame] | 1498 | out.block([&] { |
Yifan Hong | 7d1839f | 2017-02-22 13:24:29 -0800 | [diff] [blame] | 1499 | out.sIf("this == otherObject", [&] { |
| 1500 | out << "return true;\n"; |
| 1501 | }).endl(); |
| 1502 | out.sIf("otherObject == null", [&] { |
| 1503 | out << "return false;\n"; |
| 1504 | }).endl(); |
Yifan Hong | 45b331b | 2017-03-27 12:59:54 -0700 | [diff] [blame] | 1505 | // Though class is final, we use getClass instead of instanceof to be explicit. |
| 1506 | out.sIf("otherObject.getClass() != " + fullJavaName() + ".class", [&] { |
Yifan Hong | 7d1839f | 2017-02-22 13:24:29 -0800 | [diff] [blame] | 1507 | out << "return false;\n"; |
| 1508 | }).endl(); |
| 1509 | out << fullJavaName() << " other = (" << fullJavaName() << ")otherObject;\n"; |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1510 | |
Steven Moreland | 5dec82f | 2018-10-10 13:33:29 -0700 | [diff] [blame] | 1511 | if (mStyle == STYLE_SAFE_UNION) { |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1512 | out.sIf("this.hidl_d != other.hidl_d", [&] { |
Yifan Hong | ec10227 | 2016-12-20 18:10:07 -0800 | [diff] [blame] | 1513 | out << "return false;\n"; |
| 1514 | }).endl(); |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1515 | out.sIf("!android.os.HidlSupport.deepEquals(this.hidl_o, other.hidl_o)", [&] { |
| 1516 | out << "return false;\n"; |
| 1517 | }).endl(); |
Steven Moreland | 5dec82f | 2018-10-10 13:33:29 -0700 | [diff] [blame] | 1518 | } else { |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1519 | for (const auto &field : *mFields) { |
| 1520 | std::string condition = (field->type().isScalar() || field->type().isEnum()) |
| 1521 | ? "this." + field->name() + " != other." + field->name() |
| 1522 | : ("!android.os.HidlSupport.deepEquals(this." + field->name() |
| 1523 | + ", other." + field->name() + ")"); |
| 1524 | out.sIf(condition, [&] { |
| 1525 | out << "return false;\n"; |
| 1526 | }).endl(); |
| 1527 | } |
Yifan Hong | ec10227 | 2016-12-20 18:10:07 -0800 | [diff] [blame] | 1528 | } |
| 1529 | out << "return true;\n"; |
| 1530 | }).endl().endl(); |
| 1531 | |
Yifan Hong | 7d1839f | 2017-02-22 13:24:29 -0800 | [diff] [blame] | 1532 | out << "@Override\npublic final int hashCode() "; |
Yifan Hong | ec10227 | 2016-12-20 18:10:07 -0800 | [diff] [blame] | 1533 | out.block([&] { |
Yifan Hong | 7d1839f | 2017-02-22 13:24:29 -0800 | [diff] [blame] | 1534 | out << "return java.util.Objects.hash(\n"; |
| 1535 | out.indent(2, [&] { |
Steven Moreland | 5dec82f | 2018-10-10 13:33:29 -0700 | [diff] [blame] | 1536 | if (mStyle == STYLE_SAFE_UNION) { |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1537 | out << "android.os.HidlSupport.deepHashCode(this.hidl_o),\n" |
| 1538 | << "java.util.Objects.hashCode(this.hidl_d)"; |
| 1539 | } else { |
| 1540 | out.join(mFields->begin(), mFields->end(), ", \n", [&] (const auto &field) { |
| 1541 | out << "android.os.HidlSupport.deepHashCode(this." << field->name() << ")"; |
| 1542 | }); |
| 1543 | } |
Yifan Hong | 7d1839f | 2017-02-22 13:24:29 -0800 | [diff] [blame] | 1544 | }); |
Yifan Hong | ec10227 | 2016-12-20 18:10:07 -0800 | [diff] [blame] | 1545 | out << ");\n"; |
| 1546 | }).endl().endl(); |
Yifan Hong | 42c6843 | 2017-03-13 16:22:03 -0700 | [diff] [blame] | 1547 | } else { |
| 1548 | out << "// equals() is not generated for " << localName() << "\n"; |
Yifan Hong | ec10227 | 2016-12-20 18:10:07 -0800 | [diff] [blame] | 1549 | } |
| 1550 | |
| 1551 | //////////////////////////////////////////////////////////////////////////// |
| 1552 | |
Steven Moreland | 51d20e9 | 2019-03-27 23:17:16 +0000 | [diff] [blame] | 1553 | out << "@Override\npublic final String toString() "; |
| 1554 | out.block([&] { |
| 1555 | out << "java.lang.StringBuilder builder = new java.lang.StringBuilder();\n" |
| 1556 | << "builder.append(\"{\");\n"; |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1557 | |
Steven Moreland | 51d20e9 | 2019-03-27 23:17:16 +0000 | [diff] [blame] | 1558 | if (mStyle == STYLE_SAFE_UNION) { |
| 1559 | out << "switch (this.hidl_d) {\n"; |
| 1560 | out.indent(); |
| 1561 | } |
| 1562 | |
| 1563 | for (const auto &field : *mFields) { |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1564 | if (mStyle == STYLE_SAFE_UNION) { |
Steven Moreland | 51d20e9 | 2019-03-27 23:17:16 +0000 | [diff] [blame] | 1565 | out << "case hidl_discriminator." |
| 1566 | << field->name() |
| 1567 | << ": "; |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1568 | |
Steven Moreland | 51d20e9 | 2019-03-27 23:17:16 +0000 | [diff] [blame] | 1569 | out.block([&] { |
| 1570 | out << "builder.append(\"" |
| 1571 | << "." |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1572 | << field->name() |
Steven Moreland | 51d20e9 | 2019-03-27 23:17:16 +0000 | [diff] [blame] | 1573 | << " = \");\n"; |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1574 | |
Steven Moreland | 51d20e9 | 2019-03-27 23:17:16 +0000 | [diff] [blame] | 1575 | field->type().emitJavaDump(out, "builder", "this." + field->name() + "()"); |
| 1576 | out << "break;\n"; |
| 1577 | }).endl(); |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1578 | } |
Steven Moreland | 51d20e9 | 2019-03-27 23:17:16 +0000 | [diff] [blame] | 1579 | else { |
| 1580 | out << "builder.append(\""; |
| 1581 | if (field != *(mFields->begin())) { |
| 1582 | out << ", "; |
| 1583 | } |
| 1584 | out << "." << field->name() << " = \");\n"; |
| 1585 | field->type().emitJavaDump(out, "builder", "this." + field->name()); |
Steven Moreland | 78ab753 | 2019-01-10 13:04:23 -0800 | [diff] [blame] | 1586 | } |
Steven Moreland | 51d20e9 | 2019-03-27 23:17:16 +0000 | [diff] [blame] | 1587 | } |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1588 | |
Steven Moreland | 51d20e9 | 2019-03-27 23:17:16 +0000 | [diff] [blame] | 1589 | if (mStyle == STYLE_SAFE_UNION) { |
| 1590 | out << "default: "; |
| 1591 | out.block([&] { emitJavaSafeUnionUnknownDiscriminatorError(out, true /*fatal*/); }) |
| 1592 | .endl(); |
| 1593 | |
| 1594 | out.unindent(); |
| 1595 | out << "}\n"; |
| 1596 | } |
| 1597 | |
| 1598 | out << "builder.append(\"}\");\nreturn builder.toString();\n"; |
| 1599 | }).endl().endl(); |
Yifan Hong | e45b530 | 2017-02-22 10:49:07 -0800 | [diff] [blame] | 1600 | |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1601 | CompoundLayout layout = getCompoundAlignmentAndSize(); |
Martijn Coenen | b2a861c | 2017-04-18 15:54:25 -0700 | [diff] [blame] | 1602 | |
Yifan Hong | e45b530 | 2017-02-22 10:49:07 -0800 | [diff] [blame] | 1603 | //////////////////////////////////////////////////////////////////////////// |
| 1604 | |
Yifan Hong | 1af7353 | 2016-11-09 14:32:58 -0800 | [diff] [blame] | 1605 | out << "public final void readFromParcel(android.os.HwParcel parcel) {\n"; |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 1606 | out.indent(); |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1607 | if (containsInterface()) { |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1608 | |
Steven Moreland | 5dec82f | 2018-10-10 13:33:29 -0700 | [diff] [blame] | 1609 | if (mStyle == STYLE_SAFE_UNION) { |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1610 | out << "hidl_d = "; |
| 1611 | getUnionDiscriminatorType()->emitJavaReaderWriter( |
| 1612 | out, "parcel", "hidl_d", true); |
| 1613 | |
| 1614 | out << "switch (hidl_d) {\n"; |
| 1615 | out.indent(); |
| 1616 | } |
| 1617 | |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1618 | for (const auto& field : *mFields) { |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1619 | if (mStyle == STYLE_SAFE_UNION) { |
| 1620 | out << "case hidl_discriminator." |
| 1621 | << field->name() |
| 1622 | << ": "; |
| 1623 | |
| 1624 | out.block([&] { |
| 1625 | out << "hidl_o = "; |
| 1626 | field->type().emitJavaReaderWriter(out, "parcel", "hidl_o", true); |
| 1627 | |
| 1628 | out << "break;\n"; |
| 1629 | }).endl(); |
| 1630 | } else { |
| 1631 | out << field->name() << " = "; |
| 1632 | field->type().emitJavaReaderWriter(out, "parcel", field->name(), true); |
| 1633 | } |
| 1634 | } |
| 1635 | |
Steven Moreland | 5dec82f | 2018-10-10 13:33:29 -0700 | [diff] [blame] | 1636 | if (mStyle == STYLE_SAFE_UNION) { |
Nirav Atre | e3cae85 | 2018-07-16 12:19:16 -0700 | [diff] [blame] | 1637 | out << "default: "; |
Steven Moreland | 5add34d | 2018-11-08 16:31:30 -0800 | [diff] [blame] | 1638 | out.block([&] { emitJavaSafeUnionUnknownDiscriminatorError(out, false /*fatal*/); }) |
| 1639 | .endl(); |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1640 | |
| 1641 | out.unindent(); |
| 1642 | out << "}\n"; |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1643 | } |
| 1644 | } else { |
| 1645 | out << "android.os.HwBlob blob = parcel.readBuffer("; |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1646 | out << layout.overall.size << " /* size */);\n"; |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1647 | out << "readEmbeddedFromParcel(parcel, blob, 0 /* parentOffset */);\n"; |
| 1648 | } |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 1649 | out.unindent(); |
| 1650 | out << "}\n\n"; |
| 1651 | |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 1652 | //////////////////////////////////////////////////////////////////////////// |
| 1653 | |
Martijn Coenen | b2a861c | 2017-04-18 15:54:25 -0700 | [diff] [blame] | 1654 | size_t vecAlign, vecSize; |
| 1655 | VectorType::getAlignmentAndSizeStatic(&vecAlign, &vecSize); |
| 1656 | |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1657 | out << "public static final java.util.ArrayList<" << localName() |
Yifan Hong | 1af7353 | 2016-11-09 14:32:58 -0800 | [diff] [blame] | 1658 | << "> readVectorFromParcel(android.os.HwParcel parcel) {\n"; |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 1659 | out.indent(); |
| 1660 | |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1661 | out << "java.util.ArrayList<" << localName() << "> _hidl_vec = new java.util.ArrayList();\n"; |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 1662 | |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1663 | if (containsInterface()) { |
| 1664 | out << "int size = parcel.readInt32();\n"; |
| 1665 | out << "for(int i = 0 ; i < size; i ++) {\n"; |
| 1666 | out.indent(); |
| 1667 | out << fullJavaName() << " tmp = "; |
| 1668 | emitJavaReaderWriter(out, "parcel", "tmp", true); |
| 1669 | out << "_hidl_vec.add(tmp);\n"; |
| 1670 | out.unindent(); |
| 1671 | out << "}\n"; |
| 1672 | } else { |
| 1673 | out << "android.os.HwBlob _hidl_blob = parcel.readBuffer("; |
| 1674 | out << vecSize << " /* sizeof hidl_vec<T> */);\n\n"; |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 1675 | |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1676 | VectorType::EmitJavaFieldReaderWriterForElementType(out, 0 /* depth */, this, "parcel", |
| 1677 | "_hidl_blob", "_hidl_vec", "0", |
| 1678 | true /* isReader */); |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 1679 | } |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1680 | out << "\nreturn _hidl_vec;\n"; |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 1681 | out.unindent(); |
| 1682 | out << "}\n\n"; |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1683 | //////////////////////////////////////////////////////////////////////////// |
| 1684 | if (containsInterface()) { |
| 1685 | out << "// readEmbeddedFromParcel is not generated()\n"; |
| 1686 | } else { |
| 1687 | out << "public final void readEmbeddedFromParcel(\n"; |
| 1688 | out.indent(2); |
| 1689 | out << "android.os.HwParcel parcel, android.os.HwBlob _hidl_blob, long _hidl_offset) {\n"; |
| 1690 | out.unindent(); |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1691 | |
Steven Moreland | 5dec82f | 2018-10-10 13:33:29 -0700 | [diff] [blame] | 1692 | if (mStyle == STYLE_SAFE_UNION) { |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1693 | getUnionDiscriminatorType()->emitJavaFieldReaderWriter( |
| 1694 | out, 0 /* depth */, "parcel", "_hidl_blob", "hidl_d", |
| 1695 | "_hidl_offset + " + std::to_string(layout.discriminator.offset), |
| 1696 | true /* isReader */); |
| 1697 | |
| 1698 | out << "switch (this.hidl_d) {\n"; |
| 1699 | out.indent(); |
| 1700 | } |
| 1701 | |
| 1702 | size_t offset = layout.innerStruct.offset; |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1703 | for (const auto& field : *mFields) { |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1704 | |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1705 | if (mStyle == STYLE_SAFE_UNION) { |
| 1706 | out << "case hidl_discriminator." |
| 1707 | << field->name() |
| 1708 | << ": "; |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1709 | |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1710 | out.block([&] { |
| 1711 | field->type().emitJavaFieldDefaultInitialValue(out, "hidl_o"); |
| 1712 | field->type().emitJavaFieldReaderWriter( |
| 1713 | out, 0 /* depth */, "parcel", "_hidl_blob", "hidl_o", |
| 1714 | "_hidl_offset + " + std::to_string(offset), true /* isReader */); |
| 1715 | |
| 1716 | out << "break;\n"; |
| 1717 | }).endl(); |
| 1718 | } else { |
| 1719 | size_t fieldAlign, fieldSize; |
| 1720 | field->type().getAlignmentAndSize(&fieldAlign, &fieldSize); |
| 1721 | |
| 1722 | offset += Layout::getPad(offset, fieldAlign); |
| 1723 | field->type().emitJavaFieldReaderWriter( |
| 1724 | out, 0 /* depth */, "parcel", "_hidl_blob", field->name(), |
| 1725 | "_hidl_offset + " + std::to_string(offset), true /* isReader */); |
| 1726 | offset += fieldSize; |
| 1727 | } |
| 1728 | } |
| 1729 | |
Steven Moreland | 5dec82f | 2018-10-10 13:33:29 -0700 | [diff] [blame] | 1730 | if (mStyle == STYLE_SAFE_UNION) { |
Nirav Atre | e3cae85 | 2018-07-16 12:19:16 -0700 | [diff] [blame] | 1731 | out << "default: "; |
Steven Moreland | 5add34d | 2018-11-08 16:31:30 -0800 | [diff] [blame] | 1732 | out.block([&] { emitJavaSafeUnionUnknownDiscriminatorError(out, false /*fatal*/); }) |
| 1733 | .endl(); |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1734 | |
| 1735 | out.unindent(); |
| 1736 | out << "}\n"; |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1737 | } |
| 1738 | out.unindent(); |
| 1739 | out << "}\n\n"; |
| 1740 | } |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 1741 | |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 1742 | //////////////////////////////////////////////////////////////////////////// |
| 1743 | |
Yifan Hong | 1af7353 | 2016-11-09 14:32:58 -0800 | [diff] [blame] | 1744 | out << "public final void writeToParcel(android.os.HwParcel parcel) {\n"; |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 1745 | out.indent(); |
| 1746 | |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1747 | if (containsInterface()) { |
Steven Moreland | 5dec82f | 2018-10-10 13:33:29 -0700 | [diff] [blame] | 1748 | if (mStyle == STYLE_SAFE_UNION) { |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1749 | getUnionDiscriminatorType()->emitJavaReaderWriter( |
| 1750 | out, "parcel", "hidl_d", false); |
| 1751 | |
| 1752 | out << "switch (this.hidl_d) {\n"; |
| 1753 | out.indent(); |
| 1754 | } |
| 1755 | |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1756 | for (const auto& field : *mFields) { |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1757 | if (mStyle == STYLE_SAFE_UNION) { |
| 1758 | out << "case hidl_discriminator." |
| 1759 | << field->name() |
| 1760 | << ": "; |
| 1761 | |
| 1762 | out.block([&] { |
| 1763 | field->type().emitJavaReaderWriter(out, "parcel", field->name() + "()", false); |
| 1764 | out << "break;\n"; |
| 1765 | }).endl(); |
| 1766 | } else { |
| 1767 | field->type().emitJavaReaderWriter(out, "parcel", field->name(), false); |
| 1768 | } |
| 1769 | } |
| 1770 | |
Steven Moreland | 5dec82f | 2018-10-10 13:33:29 -0700 | [diff] [blame] | 1771 | if (mStyle == STYLE_SAFE_UNION) { |
Nirav Atre | e3cae85 | 2018-07-16 12:19:16 -0700 | [diff] [blame] | 1772 | out << "default: "; |
Steven Moreland | 5add34d | 2018-11-08 16:31:30 -0800 | [diff] [blame] | 1773 | out.block([&] { emitJavaSafeUnionUnknownDiscriminatorError(out, true /*fatal*/); }) |
| 1774 | .endl(); |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1775 | |
| 1776 | out.unindent(); |
| 1777 | out << "}\n"; |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1778 | } |
| 1779 | } else { |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1780 | out << "android.os.HwBlob _hidl_blob = new android.os.HwBlob(" |
| 1781 | << layout.overall.size |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1782 | << " /* size */);\n"; |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 1783 | |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1784 | out << "writeEmbeddedToBlob(_hidl_blob, 0 /* parentOffset */);\n" |
| 1785 | << "parcel.writeBuffer(_hidl_blob);\n"; |
| 1786 | } |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 1787 | out.unindent(); |
| 1788 | out << "}\n\n"; |
| 1789 | |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 1790 | //////////////////////////////////////////////////////////////////////////// |
| 1791 | |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 1792 | out << "public static final void writeVectorToParcel(\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 1793 | out.indent(2); |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1794 | out << "android.os.HwParcel parcel, java.util.ArrayList<" << localName() << "> _hidl_vec) {\n"; |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 1795 | out.unindent(); |
| 1796 | |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1797 | if (containsInterface()) { |
| 1798 | out << "parcel.writeInt32(_hidl_vec.size());\n"; |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1799 | out << "for(" << fullJavaName() << " tmp: _hidl_vec) "; |
| 1800 | out.block([&] { |
| 1801 | emitJavaReaderWriter(out, "parcel", "tmp", false); |
| 1802 | }).endl(); |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1803 | } else { |
| 1804 | out << "android.os.HwBlob _hidl_blob = new android.os.HwBlob(" << vecSize |
| 1805 | << " /* sizeof(hidl_vec<T>) */);\n"; |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 1806 | |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1807 | VectorType::EmitJavaFieldReaderWriterForElementType(out, 0 /* depth */, this, "parcel", |
| 1808 | "_hidl_blob", "_hidl_vec", "0", |
| 1809 | false /* isReader */); |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 1810 | |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1811 | out << "\nparcel.writeBuffer(_hidl_blob);\n"; |
| 1812 | } |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 1813 | out.unindent(); |
| 1814 | out << "}\n\n"; |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 1815 | //////////////////////////////////////////////////////////////////////////// |
| 1816 | |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1817 | if (containsInterface()) { |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1818 | out << "// writeEmbeddedToBlob() is not generated\n"; |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1819 | } else { |
| 1820 | out << "public final void writeEmbeddedToBlob(\n"; |
| 1821 | out.indent(2); |
| 1822 | out << "android.os.HwBlob _hidl_blob, long _hidl_offset) {\n"; |
| 1823 | out.unindent(); |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1824 | |
Steven Moreland | 5dec82f | 2018-10-10 13:33:29 -0700 | [diff] [blame] | 1825 | if (mStyle == STYLE_SAFE_UNION) { |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1826 | getUnionDiscriminatorType()->emitJavaFieldReaderWriter( |
| 1827 | out, 0 /* depth */, "parcel", "_hidl_blob", "hidl_d", |
| 1828 | "_hidl_offset + " + std::to_string(layout.discriminator.offset), |
| 1829 | false /* isReader */); |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1830 | |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1831 | out << "switch (this.hidl_d) {\n"; |
| 1832 | out.indent(); |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 1833 | } |
| 1834 | |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1835 | size_t offset = layout.innerStruct.offset; |
| 1836 | for (const auto& field : *mFields) { |
| 1837 | if (mStyle == STYLE_SAFE_UNION) { |
| 1838 | out << "case hidl_discriminator." |
| 1839 | << field->name() |
| 1840 | << ": "; |
| 1841 | |
| 1842 | out.block([&] { |
| 1843 | field->type().emitJavaFieldReaderWriter( |
| 1844 | out, 0 /* depth */, "parcel", "_hidl_blob", field->name() + "()", |
| 1845 | "_hidl_offset + " + std::to_string(offset), false /* isReader */); |
| 1846 | |
| 1847 | out << "break;\n"; |
| 1848 | }).endl(); |
| 1849 | } else { |
| 1850 | size_t fieldAlign, fieldSize; |
| 1851 | field->type().getAlignmentAndSize(&fieldAlign, &fieldSize); |
| 1852 | |
| 1853 | offset += Layout::getPad(offset, fieldAlign); |
| 1854 | field->type().emitJavaFieldReaderWriter( |
| 1855 | out, 0 /* depth */, "parcel", "_hidl_blob", field->name(), |
| 1856 | "_hidl_offset + " + std::to_string(offset), false /* isReader */); |
| 1857 | offset += fieldSize; |
| 1858 | } |
| 1859 | } |
| 1860 | |
Steven Moreland | 5dec82f | 2018-10-10 13:33:29 -0700 | [diff] [blame] | 1861 | if (mStyle == STYLE_SAFE_UNION) { |
Nirav Atre | e3cae85 | 2018-07-16 12:19:16 -0700 | [diff] [blame] | 1862 | out << "default: "; |
Steven Moreland | 5add34d | 2018-11-08 16:31:30 -0800 | [diff] [blame] | 1863 | out.block([&] { emitJavaSafeUnionUnknownDiscriminatorError(out, true /*fatal*/); }) |
| 1864 | .endl(); |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 1865 | |
| 1866 | out.unindent(); |
| 1867 | out << "}\n"; |
| 1868 | } |
Howard Chen | af084db | 2017-12-27 18:46:39 +0800 | [diff] [blame] | 1869 | out.unindent(); |
| 1870 | out << "}\n"; |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 1871 | } |
| 1872 | |
| 1873 | out.unindent(); |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 1874 | out << "};\n\n"; |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 1875 | } |
| 1876 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1877 | void CompoundType::emitStructReaderWriter( |
| 1878 | Formatter &out, const std::string &prefix, bool isReader) const { |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 1879 | |
| 1880 | std::string space = prefix.empty() ? "" : (prefix + "::"); |
| 1881 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1882 | out << "::android::status_t " |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 1883 | << (isReader ? "readEmbeddedFromParcel" |
| 1884 | : "writeEmbeddedToParcel") |
| 1885 | << "(\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1886 | |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 1887 | out.indent(2); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1888 | |
Nirav Atre | 97b7e9c | 2018-07-26 19:29:40 -0700 | [diff] [blame] | 1889 | const std::string name = "obj"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1890 | if (isReader) { |
Martijn Coenen | b2a861c | 2017-04-18 15:54:25 -0700 | [diff] [blame] | 1891 | out << "const " << space << localName() << " &" << name << ",\n"; |
Andreas Huber | 8a82ff7 | 2016-08-04 10:29:39 -0700 | [diff] [blame] | 1892 | out << "const ::android::hardware::Parcel &parcel,\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1893 | } else { |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 1894 | out << "const " << space << localName() << " &" << name << ",\n"; |
Andreas Huber | 8a82ff7 | 2016-08-04 10:29:39 -0700 | [diff] [blame] | 1895 | out << "::android::hardware::Parcel *parcel,\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1896 | } |
| 1897 | |
| 1898 | out << "size_t parentHandle,\n" |
| 1899 | << "size_t parentOffset)"; |
| 1900 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1901 | out << " {\n"; |
| 1902 | |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 1903 | out.unindent(2); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1904 | out.indent(); |
| 1905 | |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 1906 | out << "::android::status_t _hidl_err = ::android::OK;\n\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1907 | |
Steven Moreland | 5dec82f | 2018-10-10 13:33:29 -0700 | [diff] [blame] | 1908 | if (mStyle == STYLE_SAFE_UNION) { |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1909 | out << "switch (" << name << ".getDiscriminator()) {\n"; |
| 1910 | out.indent(); |
| 1911 | } |
| 1912 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1913 | for (const auto &field : *mFields) { |
| 1914 | if (!field->type().needsEmbeddedReadWrite()) { |
| 1915 | continue; |
| 1916 | } |
| 1917 | |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1918 | if (mStyle == STYLE_SAFE_UNION) { |
| 1919 | out << "case " << fullName() << "::hidl_discriminator::" |
| 1920 | << field->name() << ": {\n"; |
| 1921 | out.indent(); |
| 1922 | } |
| 1923 | |
| 1924 | const std::string fieldName = (mStyle == STYLE_SAFE_UNION) |
Nirav Atre | 97b7e9c | 2018-07-26 19:29:40 -0700 | [diff] [blame] | 1925 | ? (name + "." + field->name() + "()") |
| 1926 | : (name + "." + field->name()); |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1927 | |
| 1928 | const std::string fieldOffset = (mStyle == STYLE_SAFE_UNION) |
Nirav Atre | 12c597a | 2018-06-28 09:35:24 -0700 | [diff] [blame] | 1929 | ? (name + ".hidl_getUnionOffset() " + |
| 1930 | "/* safe_union: union offset into struct */") |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1931 | : ("offsetof(" + fullName() + ", " + field->name() + ")"); |
| 1932 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1933 | field->type().emitReaderWriterEmbedded( |
| 1934 | out, |
Andreas Huber | f9d49f1 | 2016-09-12 14:58:36 -0700 | [diff] [blame] | 1935 | 0 /* depth */, |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1936 | fieldName, |
Yifan Hong | be2a373 | 2016-10-05 13:33:41 -0700 | [diff] [blame] | 1937 | field->name() /* sanitizedName */, |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1938 | false /* nameIsPointer */, |
| 1939 | "parcel", |
| 1940 | !isReader /* parcelObjIsPointer */, |
| 1941 | isReader, |
Andreas Huber | 737080b | 2016-08-02 15:38:04 -0700 | [diff] [blame] | 1942 | ErrorMode_Return, |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1943 | "parentHandle", |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1944 | "parentOffset + " + fieldOffset); |
| 1945 | |
| 1946 | if (mStyle == STYLE_SAFE_UNION) { |
| 1947 | out << "break;\n"; |
| 1948 | out.unindent(); |
| 1949 | out << "}\n"; |
| 1950 | } |
| 1951 | } |
| 1952 | |
Steven Moreland | 5dec82f | 2018-10-10 13:33:29 -0700 | [diff] [blame] | 1953 | if (mStyle == STYLE_SAFE_UNION) { |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 1954 | out << "default: { break; }\n"; |
| 1955 | out.unindent(); |
| 1956 | out << "}\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1957 | } |
| 1958 | |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 1959 | out << "return _hidl_err;\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1960 | |
| 1961 | out.unindent(); |
| 1962 | out << "}\n\n"; |
| 1963 | } |
| 1964 | |
Chih-Hung Hsieh | 8c90cc5 | 2017-08-03 14:51:13 -0700 | [diff] [blame] | 1965 | void CompoundType::emitResolveReferenceDef(Formatter& out, const std::string& prefix, |
| 1966 | bool isReader) const { |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 1967 | out << "::android::status_t "; |
| 1968 | const std::string space(prefix.empty() ? "" : (prefix + "::")); |
Yifan Hong | 00f4717 | 2016-09-30 14:40:45 -0700 | [diff] [blame] | 1969 | |
| 1970 | bool useParent = false; |
| 1971 | for (const auto &field : *mFields) { |
| 1972 | if (field->type().useParentInEmitResolveReferencesEmbedded()) { |
| 1973 | useParent = true; |
| 1974 | break; |
| 1975 | } |
| 1976 | } |
| 1977 | |
| 1978 | std::string parentHandleName = useParent ? "parentHandle" : "/* parentHandle */"; |
| 1979 | std::string parentOffsetName = useParent ? "parentOffset" : "/* parentOffset */"; |
| 1980 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 1981 | if (isReader) { |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 1982 | out << "readEmbeddedReferenceFromParcel(\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 1983 | out.indent(2); |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 1984 | out << space + localName() + " *obj,\n" |
| 1985 | << "const ::android::hardware::Parcel &parcel,\n" |
Yifan Hong | 00f4717 | 2016-09-30 14:40:45 -0700 | [diff] [blame] | 1986 | << "size_t " << parentHandleName << ", " |
| 1987 | << "size_t " << parentOffsetName << ")\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 1988 | out.unindent(2); |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 1989 | } else { |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 1990 | out << "writeEmbeddedReferenceToParcel(\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 1991 | out.indent(2); |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 1992 | out << "const " << space + localName() + " &obj,\n" |
| 1993 | << "::android::hardware::Parcel *parcel,\n" |
Yifan Hong | 00f4717 | 2016-09-30 14:40:45 -0700 | [diff] [blame] | 1994 | << "size_t " << parentHandleName << ", " |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 1995 | << "size_t " << parentOffsetName << ")\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 1996 | out.unindent(2); |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 1997 | } |
| 1998 | |
| 1999 | out << " {\n"; |
| 2000 | |
| 2001 | out.indent(); |
| 2002 | |
| 2003 | out << "::android::status_t _hidl_err = ::android::OK;\n\n"; |
| 2004 | |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 2005 | const std::string nameDeref(isReader ? "obj->" : "obj."); |
Yifan Hong | 00f4717 | 2016-09-30 14:40:45 -0700 | [diff] [blame] | 2006 | // if not useParent, then parentName and offsetText |
| 2007 | // should not be used at all, then the #error should not be emitted. |
| 2008 | std::string error = useParent ? "" : "\n#error\n"; |
| 2009 | |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2010 | if (mStyle == STYLE_SAFE_UNION) { |
| 2011 | out << "switch (" << nameDeref << "getDiscriminator()) {\n"; |
| 2012 | out.indent(); |
| 2013 | } |
| 2014 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 2015 | for (const auto &field : *mFields) { |
| 2016 | if (!field->type().needsResolveReferences()) { |
| 2017 | continue; |
| 2018 | } |
| 2019 | |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2020 | if (mStyle == STYLE_SAFE_UNION) { |
| 2021 | out << "case " << fullName() << "::hidl_discriminator::" |
| 2022 | << field->name() << ": {\n"; |
| 2023 | out.indent(); |
| 2024 | } |
| 2025 | |
| 2026 | const std::string fieldName = (mStyle == STYLE_SAFE_UNION) |
| 2027 | ? (nameDeref + field->name() + "()") |
| 2028 | : (nameDeref + field->name()); |
| 2029 | |
| 2030 | const std::string fieldOffset = (mStyle == STYLE_SAFE_UNION) |
Nirav Atre | 12c597a | 2018-06-28 09:35:24 -0700 | [diff] [blame] | 2031 | ? (nameDeref + "hidl_getUnionOffset() " + |
| 2032 | "/* safe_union: union offset into struct */") |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2033 | : ("offsetof(" + fullName() + ", " + field->name() + ")"); |
| 2034 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 2035 | field->type().emitResolveReferencesEmbedded( |
| 2036 | out, |
| 2037 | 0 /* depth */, |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2038 | fieldName, |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 2039 | field->name() /* sanitizedName */, |
| 2040 | false, // nameIsPointer |
| 2041 | "parcel", // const std::string &parcelObj, |
| 2042 | !isReader, // bool parcelObjIsPointer, |
| 2043 | isReader, // bool isReader, |
| 2044 | ErrorMode_Return, |
Yifan Hong | 00f4717 | 2016-09-30 14:40:45 -0700 | [diff] [blame] | 2045 | parentHandleName + error, |
| 2046 | parentOffsetName |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2047 | + " + " |
| 2048 | + fieldOffset |
Yifan Hong | 00f4717 | 2016-09-30 14:40:45 -0700 | [diff] [blame] | 2049 | + error); |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2050 | |
| 2051 | if (mStyle == STYLE_SAFE_UNION) { |
| 2052 | out << "break;\n"; |
| 2053 | out.unindent(); |
| 2054 | out << "}\n"; |
| 2055 | } |
| 2056 | } |
| 2057 | |
| 2058 | if (mStyle == STYLE_SAFE_UNION) { |
| 2059 | out << "default: { _hidl_err = ::android::BAD_VALUE; break; }\n"; |
| 2060 | out.unindent(); |
| 2061 | out << "}\n"; |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 2062 | } |
| 2063 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 2064 | out << "return _hidl_err;\n"; |
| 2065 | |
| 2066 | out.unindent(); |
| 2067 | out << "}\n\n"; |
| 2068 | } |
| 2069 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 2070 | bool CompoundType::needsEmbeddedReadWrite() const { |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2071 | if (mStyle == STYLE_UNION) { |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 2072 | return false; |
| 2073 | } |
| 2074 | |
| 2075 | for (const auto &field : *mFields) { |
| 2076 | if (field->type().needsEmbeddedReadWrite()) { |
| 2077 | return true; |
| 2078 | } |
| 2079 | } |
| 2080 | |
| 2081 | return false; |
| 2082 | } |
| 2083 | |
Timur Iskhakov | 5dc72fe | 2017-09-07 23:13:44 -0700 | [diff] [blame] | 2084 | bool CompoundType::deepNeedsResolveReferences(std::unordered_set<const Type*>* visited) const { |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2085 | if (mStyle == STYLE_UNION) { |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 2086 | return false; |
| 2087 | } |
| 2088 | |
| 2089 | for (const auto &field : *mFields) { |
Timur Iskhakov | 5dc72fe | 2017-09-07 23:13:44 -0700 | [diff] [blame] | 2090 | if (field->type().needsResolveReferences(visited)) { |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 2091 | return true; |
| 2092 | } |
| 2093 | } |
| 2094 | |
Timur Iskhakov | 5dc72fe | 2017-09-07 23:13:44 -0700 | [diff] [blame] | 2095 | return Scope::deepNeedsResolveReferences(visited); |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 2096 | } |
| 2097 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 2098 | bool CompoundType::resultNeedsDeref() const { |
Howard Chen | ecfb451 | 2017-11-21 18:28:53 +0800 | [diff] [blame] | 2099 | return !containsInterface() ; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 2100 | } |
| 2101 | |
Steven Moreland | 368e460 | 2018-02-16 14:21:49 -0800 | [diff] [blame] | 2102 | void CompoundType::emitVtsTypeDeclarations(Formatter& out) const { |
Zhuoyao Zhang | bf828c8 | 2016-10-26 14:15:10 -0700 | [diff] [blame] | 2103 | out << "name: \"" << fullName() << "\"\n"; |
Zhuoyao Zhang | c5ea9f5 | 2016-10-06 15:05:39 -0700 | [diff] [blame] | 2104 | out << "type: " << getVtsType() << "\n"; |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 2105 | |
| 2106 | // Emit declaration for each subtype. |
| 2107 | for (const auto &type : getSubTypes()) { |
| 2108 | switch (mStyle) { |
| 2109 | case STYLE_STRUCT: |
| 2110 | { |
Zhuoyao Zhang | c5ea9f5 | 2016-10-06 15:05:39 -0700 | [diff] [blame] | 2111 | out << "sub_struct: {\n"; |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 2112 | break; |
| 2113 | } |
| 2114 | case STYLE_UNION: |
| 2115 | { |
Zhuoyao Zhang | c5ea9f5 | 2016-10-06 15:05:39 -0700 | [diff] [blame] | 2116 | out << "sub_union: {\n"; |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 2117 | break; |
| 2118 | } |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2119 | case STYLE_SAFE_UNION: |
| 2120 | { |
| 2121 | out << "sub_safe_union: {\n"; |
| 2122 | break; |
| 2123 | } |
| 2124 | default: |
| 2125 | { |
| 2126 | CHECK(!"Should not be here"); |
| 2127 | } |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 2128 | } |
| 2129 | out.indent(); |
Steven Moreland | 368e460 | 2018-02-16 14:21:49 -0800 | [diff] [blame] | 2130 | type->emitVtsTypeDeclarations(out); |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 2131 | out.unindent(); |
| 2132 | out << "}\n"; |
Zhuoyao Zhang | 5158db4 | 2016-08-10 10:25:20 -0700 | [diff] [blame] | 2133 | } |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 2134 | |
| 2135 | // Emit declaration for each field. |
| 2136 | for (const auto &field : *mFields) { |
| 2137 | switch (mStyle) { |
| 2138 | case STYLE_STRUCT: |
| 2139 | { |
| 2140 | out << "struct_value: {\n"; |
| 2141 | break; |
| 2142 | } |
| 2143 | case STYLE_UNION: |
| 2144 | { |
| 2145 | out << "union_value: {\n"; |
| 2146 | break; |
| 2147 | } |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2148 | case STYLE_SAFE_UNION: |
| 2149 | { |
| 2150 | out << "safe_union_value: {\n"; |
| 2151 | break; |
| 2152 | } |
| 2153 | default: |
| 2154 | { |
| 2155 | CHECK(!"Should not be here"); |
| 2156 | } |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 2157 | } |
| 2158 | out.indent(); |
| 2159 | out << "name: \"" << field->name() << "\"\n"; |
Steven Moreland | 368e460 | 2018-02-16 14:21:49 -0800 | [diff] [blame] | 2160 | field->type().emitVtsAttributeType(out); |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 2161 | out.unindent(); |
| 2162 | out << "}\n"; |
| 2163 | } |
Zhuoyao Zhang | 5158db4 | 2016-08-10 10:25:20 -0700 | [diff] [blame] | 2164 | } |
| 2165 | |
Steven Moreland | 368e460 | 2018-02-16 14:21:49 -0800 | [diff] [blame] | 2166 | void CompoundType::emitVtsAttributeType(Formatter& out) const { |
Zhuoyao Zhang | c5ea9f5 | 2016-10-06 15:05:39 -0700 | [diff] [blame] | 2167 | out << "type: " << getVtsType() << "\n"; |
Zhuoyao Zhang | bf828c8 | 2016-10-26 14:15:10 -0700 | [diff] [blame] | 2168 | out << "predefined_type: \"" << fullName() << "\"\n"; |
Zhuoyao Zhang | 5158db4 | 2016-08-10 10:25:20 -0700 | [diff] [blame] | 2169 | } |
| 2170 | |
Timur Iskhakov | 5dc72fe | 2017-09-07 23:13:44 -0700 | [diff] [blame] | 2171 | bool CompoundType::deepIsJavaCompatible(std::unordered_set<const Type*>* visited) const { |
Nirav Atre | 66842a9 | 2018-06-28 18:14:13 -0700 | [diff] [blame] | 2172 | if (mStyle == STYLE_UNION) { |
Andreas Huber | 0fa9e39 | 2016-08-31 09:05:44 -0700 | [diff] [blame] | 2173 | return false; |
| 2174 | } |
| 2175 | |
Timur Iskhakov | 5dc72fe | 2017-09-07 23:13:44 -0700 | [diff] [blame] | 2176 | for (const auto* field : *mFields) { |
| 2177 | if (!field->get()->isJavaCompatible(visited)) { |
Andreas Huber | 0fa9e39 | 2016-08-31 09:05:44 -0700 | [diff] [blame] | 2178 | return false; |
| 2179 | } |
| 2180 | } |
| 2181 | |
Timur Iskhakov | 5dc72fe | 2017-09-07 23:13:44 -0700 | [diff] [blame] | 2182 | return Scope::deepIsJavaCompatible(visited); |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 2183 | } |
| 2184 | |
Timur Iskhakov | 5dc72fe | 2017-09-07 23:13:44 -0700 | [diff] [blame] | 2185 | bool CompoundType::deepContainsPointer(std::unordered_set<const Type*>* visited) const { |
| 2186 | for (const auto* field : *mFields) { |
| 2187 | if (field->get()->containsPointer(visited)) { |
Andreas Huber | 60d3b22 | 2017-03-30 09:10:56 -0700 | [diff] [blame] | 2188 | return true; |
| 2189 | } |
| 2190 | } |
| 2191 | |
Timur Iskhakov | 5dc72fe | 2017-09-07 23:13:44 -0700 | [diff] [blame] | 2192 | return Scope::deepContainsPointer(visited); |
Andreas Huber | 60d3b22 | 2017-03-30 09:10:56 -0700 | [diff] [blame] | 2193 | } |
| 2194 | |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 2195 | void CompoundType::getAlignmentAndSize(size_t *align, size_t *size) const { |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2196 | CompoundLayout layout = getCompoundAlignmentAndSize(); |
| 2197 | *align = layout.overall.align; |
| 2198 | *size = layout.overall.size; |
| 2199 | } |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 2200 | |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2201 | CompoundType::CompoundLayout CompoundType::getCompoundAlignmentAndSize() const { |
| 2202 | CompoundLayout compoundLayout; |
| 2203 | |
| 2204 | // Local aliases for convenience |
| 2205 | Layout& overall = compoundLayout.overall; |
| 2206 | Layout& innerStruct = compoundLayout.innerStruct; |
| 2207 | Layout& discriminator = compoundLayout.discriminator; |
| 2208 | |
Steven Moreland | 5dec82f | 2018-10-10 13:33:29 -0700 | [diff] [blame] | 2209 | if (mStyle == STYLE_SAFE_UNION) { |
Nirav Atre | 12c597a | 2018-06-28 09:35:24 -0700 | [diff] [blame] | 2210 | getUnionDiscriminatorType()->getAlignmentAndSize( |
| 2211 | &(discriminator.align), &(discriminator.size)); |
| 2212 | |
| 2213 | innerStruct.offset = discriminator.size; |
| 2214 | } |
| 2215 | |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 2216 | for (const auto &field : *mFields) { |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2217 | |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 2218 | // Each field is aligned according to its alignment requirement. |
| 2219 | // The surrounding structure's alignment is the maximum of its |
| 2220 | // fields' aligments. |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 2221 | size_t fieldAlign, fieldSize; |
| 2222 | field->type().getAlignmentAndSize(&fieldAlign, &fieldSize); |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2223 | size_t lPad = Layout::getPad(innerStruct.size, fieldAlign); |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 2224 | |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2225 | innerStruct.size = (mStyle == STYLE_STRUCT) |
| 2226 | ? (innerStruct.size + lPad + fieldSize) |
| 2227 | : std::max(innerStruct.size, fieldSize); |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 2228 | |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2229 | innerStruct.align = std::max(innerStruct.align, fieldAlign); |
| 2230 | } |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 2231 | |
Nirav Atre | 12c597a | 2018-06-28 09:35:24 -0700 | [diff] [blame] | 2232 | // Pad the inner structure's size |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2233 | innerStruct.size += Layout::getPad(innerStruct.size, |
| 2234 | innerStruct.align); |
| 2235 | |
Nirav Atre | 12c597a | 2018-06-28 09:35:24 -0700 | [diff] [blame] | 2236 | // Compute its final offset |
| 2237 | innerStruct.offset += Layout::getPad(innerStruct.offset, |
| 2238 | innerStruct.align); |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2239 | |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2240 | // An empty struct/union still occupies a byte of space in C++. |
Steven Moreland | 5e20b65 | 2019-04-22 18:42:38 -0700 | [diff] [blame] | 2241 | if (innerStruct.size == 0) { |
| 2242 | innerStruct.size = 1; |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2243 | } |
| 2244 | |
Steven Moreland | 5e20b65 | 2019-04-22 18:42:38 -0700 | [diff] [blame] | 2245 | overall.size = innerStruct.offset + innerStruct.size; |
| 2246 | |
Nirav Atre | 12c597a | 2018-06-28 09:35:24 -0700 | [diff] [blame] | 2247 | // Pad the overall structure's size |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2248 | overall.align = std::max(innerStruct.align, discriminator.align); |
| 2249 | overall.size += Layout::getPad(overall.size, overall.align); |
| 2250 | |
Steven Moreland | 5e20b65 | 2019-04-22 18:42:38 -0700 | [diff] [blame] | 2251 | if (mStyle != STYLE_SAFE_UNION) { |
| 2252 | CHECK(overall.offset == innerStruct.offset) << overall.offset << " " << innerStruct.offset; |
| 2253 | CHECK(overall.align == innerStruct.align) << overall.align << " " << innerStruct.align; |
| 2254 | CHECK(overall.size == innerStruct.size) << overall.size << " " << innerStruct.size; |
| 2255 | } |
| 2256 | |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2257 | return compoundLayout; |
| 2258 | } |
| 2259 | |
Steven Moreland | 5e20b65 | 2019-04-22 18:42:38 -0700 | [diff] [blame] | 2260 | void CompoundType::emitPaddingZero(Formatter& out, size_t offset, size_t size) const { |
| 2261 | if (size > 0) { |
| 2262 | out << "::std::memset(reinterpret_cast<uint8_t*>(this) + " << offset << ", 0, " << size |
| 2263 | << ");\n"; |
| 2264 | } else { |
| 2265 | out << "// no padding to zero starting at offset " << offset << "\n"; |
| 2266 | } |
| 2267 | } |
| 2268 | |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2269 | std::unique_ptr<ScalarType> CompoundType::getUnionDiscriminatorType() const { |
| 2270 | static const std::vector<std::pair<int, ScalarType::Kind> > scalars { |
| 2271 | {8, ScalarType::Kind::KIND_UINT8}, |
| 2272 | {16, ScalarType::Kind::KIND_UINT16}, |
| 2273 | {32, ScalarType::Kind::KIND_UINT32}, |
| 2274 | }; |
| 2275 | |
Steven Moreland | 967c243 | 2018-10-10 12:50:43 -0700 | [diff] [blame] | 2276 | size_t numFields = mFields->size(); |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2277 | auto kind = ScalarType::Kind::KIND_UINT64; |
| 2278 | |
| 2279 | for (const auto& scalar : scalars) { |
| 2280 | if (numFields <= (1ULL << scalar.first)) { |
| 2281 | kind = scalar.second; break; |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 2282 | } |
| 2283 | } |
| 2284 | |
Yi Kong | 56758da | 2018-07-24 16:21:37 -0700 | [diff] [blame] | 2285 | return std::unique_ptr<ScalarType>(new ScalarType(kind, nullptr)); |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2286 | } |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 2287 | |
Nirav Atre | 45e76d5 | 2018-06-04 11:49:14 -0700 | [diff] [blame] | 2288 | size_t CompoundType::Layout::getPad(size_t offset, size_t align) { |
| 2289 | size_t remainder = offset % align; |
| 2290 | return (remainder > 0) ? (align - remainder) : 0; |
Andreas Huber | 70a59e1 | 2016-08-16 12:57:01 -0700 | [diff] [blame] | 2291 | } |
| 2292 | |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 2293 | } // namespace android |
| 2294 | |