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 | |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 19 | #include "VectorType.h" |
Iliyan Malchev | a72e0d2 | 2016-09-09 11:03:08 -0700 | [diff] [blame] | 20 | #include <hidl-util/Formatter.h> |
Andreas Huber | 5a54544 | 2016-08-03 10:44:56 -0700 | [diff] [blame] | 21 | #include <android-base/logging.h> |
| 22 | |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 23 | namespace android { |
| 24 | |
Yifan Hong | a4b53d0 | 2016-10-31 17:29:10 -0700 | [diff] [blame] | 25 | CompoundType::CompoundType(Style style, const char *localName, const Location &location) |
| 26 | : Scope(localName, location), |
Andreas Huber | 9ed827c | 2016-08-22 12:31:13 -0700 | [diff] [blame] | 27 | mStyle(style), |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 28 | mFields(NULL) { |
| 29 | } |
| 30 | |
Yifan Hong | 27e85db | 2016-11-09 15:45:52 -0800 | [diff] [blame] | 31 | CompoundType::Style CompoundType::style() const { |
| 32 | return mStyle; |
| 33 | } |
| 34 | |
Andreas Huber | 0d0f9a2 | 2016-08-17 10:26:11 -0700 | [diff] [blame] | 35 | bool CompoundType::setFields( |
| 36 | std::vector<CompoundField *> *fields, std::string *errorMsg) { |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 37 | mFields = fields; |
Andreas Huber | 5a54544 | 2016-08-03 10:44:56 -0700 | [diff] [blame] | 38 | |
| 39 | for (const auto &field : *fields) { |
| 40 | const Type &type = field->type(); |
| 41 | |
Andreas Huber | 86a112b | 2016-10-19 14:25:16 -0700 | [diff] [blame] | 42 | if (type.isBinder() |
| 43 | || (type.isVector() |
| 44 | && static_cast<const VectorType *>( |
| 45 | &type)->isVectorOfBinders())) { |
Andreas Huber | 0d0f9a2 | 2016-08-17 10:26:11 -0700 | [diff] [blame] | 46 | *errorMsg = |
| 47 | "Structs/Unions must not contain references to interfaces."; |
Andreas Huber | b95ea8a | 2016-08-15 15:35:42 -0700 | [diff] [blame] | 48 | |
| 49 | return false; |
| 50 | } |
| 51 | |
Andreas Huber | 5a54544 | 2016-08-03 10:44:56 -0700 | [diff] [blame] | 52 | if (mStyle == STYLE_UNION) { |
| 53 | if (type.needsEmbeddedReadWrite()) { |
| 54 | // Can't have those in a union. |
| 55 | |
Andreas Huber | 0d0f9a2 | 2016-08-17 10:26:11 -0700 | [diff] [blame] | 56 | *errorMsg = |
| 57 | "Unions must not contain any types that need fixup."; |
Andreas Huber | 5a54544 | 2016-08-03 10:44:56 -0700 | [diff] [blame] | 58 | |
| 59 | return false; |
| 60 | } |
Andreas Huber | 5a54544 | 2016-08-03 10:44:56 -0700 | [diff] [blame] | 61 | } |
| 62 | } |
| 63 | |
| 64 | return true; |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 65 | } |
| 66 | |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 67 | bool CompoundType::isCompoundType() const { |
| 68 | return true; |
| 69 | } |
| 70 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 71 | std::string CompoundType::getCppType( |
Steven Moreland | 979e099 | 2016-09-07 09:18:08 -0700 | [diff] [blame] | 72 | StorageMode mode, |
Steven Moreland | 979e099 | 2016-09-07 09:18:08 -0700 | [diff] [blame] | 73 | bool specifyNamespaces) const { |
Steven Moreland | 979e099 | 2016-09-07 09:18:08 -0700 | [diff] [blame] | 74 | const std::string base = |
| 75 | specifyNamespaces ? fullName() : partialCppName(); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 76 | |
| 77 | switch (mode) { |
| 78 | case StorageMode_Stack: |
| 79 | return base; |
| 80 | |
| 81 | case StorageMode_Argument: |
| 82 | return "const " + base + "&"; |
| 83 | |
| 84 | case StorageMode_Result: |
| 85 | return "const " + base + "*"; |
| 86 | } |
| 87 | } |
| 88 | |
Yifan Hong | 4ed1347 | 2016-11-02 10:44:11 -0700 | [diff] [blame] | 89 | std::string CompoundType::getJavaType(bool /* forInitializer */) const { |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 90 | return fullJavaName(); |
| 91 | } |
| 92 | |
Zhuoyao Zhang | c5ea9f5 | 2016-10-06 15:05:39 -0700 | [diff] [blame] | 93 | std::string CompoundType::getVtsType() const { |
| 94 | switch (mStyle) { |
| 95 | case STYLE_STRUCT: |
| 96 | { |
| 97 | return "TYPE_STRUCT"; |
| 98 | } |
| 99 | case STYLE_UNION: |
| 100 | { |
| 101 | return "TYPE_UNION"; |
| 102 | } |
| 103 | } |
| 104 | } |
| 105 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 106 | void CompoundType::emitReaderWriter( |
| 107 | Formatter &out, |
| 108 | const std::string &name, |
| 109 | const std::string &parcelObj, |
| 110 | bool parcelObjIsPointer, |
| 111 | bool isReader, |
| 112 | ErrorMode mode) const { |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 113 | const std::string parentName = "_hidl_" + name + "_parent"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 114 | |
| 115 | out << "size_t " << parentName << ";\n\n"; |
| 116 | |
| 117 | const std::string parcelObjDeref = |
| 118 | parcelObj + (parcelObjIsPointer ? "->" : "."); |
| 119 | |
| 120 | if (isReader) { |
| 121 | out << name |
| 122 | << " = (const " |
Andreas Huber | 0e00de4 | 2016-08-03 09:56:02 -0700 | [diff] [blame] | 123 | << fullName() |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 124 | << " *)" |
| 125 | << parcelObjDeref |
| 126 | << "readBuffer(" |
| 127 | << "&" |
| 128 | << parentName |
| 129 | << ");\n"; |
| 130 | |
| 131 | out << "if (" |
| 132 | << name |
| 133 | << " == nullptr) {\n"; |
| 134 | |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 135 | out.indentBlock([&]{ |
| 136 | out << "_hidl_err = ::android::UNKNOWN_ERROR;\n"; |
| 137 | handleError2(out, mode); |
| 138 | }); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 139 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 140 | out << "}\n\n"; |
| 141 | } else { |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 142 | out << "_hidl_err = " |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 143 | << parcelObjDeref |
| 144 | << "writeBuffer(&" |
| 145 | << name |
| 146 | << ", sizeof(" |
| 147 | << name |
| 148 | << "), &" |
| 149 | << parentName |
| 150 | << ");\n"; |
| 151 | |
| 152 | handleError(out, mode); |
| 153 | } |
| 154 | |
| 155 | if (mStyle != STYLE_STRUCT || !needsEmbeddedReadWrite()) { |
| 156 | return; |
| 157 | } |
| 158 | |
| 159 | emitReaderWriterEmbedded( |
| 160 | out, |
Andreas Huber | f9d49f1 | 2016-09-12 14:58:36 -0700 | [diff] [blame] | 161 | 0 /* depth */, |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 162 | name, |
Yifan Hong | be2a373 | 2016-10-05 13:33:41 -0700 | [diff] [blame] | 163 | name, /* sanitizedName */ |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 164 | isReader /* nameIsPointer */, |
| 165 | parcelObj, |
| 166 | parcelObjIsPointer, |
| 167 | isReader, |
| 168 | mode, |
| 169 | parentName, |
| 170 | "0 /* parentOffset */"); |
| 171 | } |
| 172 | |
| 173 | void CompoundType::emitReaderWriterEmbedded( |
| 174 | Formatter &out, |
Andreas Huber | f9d49f1 | 2016-09-12 14:58:36 -0700 | [diff] [blame] | 175 | size_t /* depth */, |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 176 | const std::string &name, |
Yifan Hong | be2a373 | 2016-10-05 13:33:41 -0700 | [diff] [blame] | 177 | const std::string & /*sanitizedName */, |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 178 | bool nameIsPointer, |
| 179 | const std::string &parcelObj, |
| 180 | bool parcelObjIsPointer, |
| 181 | bool isReader, |
| 182 | ErrorMode mode, |
| 183 | const std::string &parentName, |
| 184 | const std::string &offsetText) const { |
| 185 | emitReaderWriterEmbeddedForTypeName( |
| 186 | out, |
| 187 | name, |
| 188 | nameIsPointer, |
| 189 | parcelObj, |
| 190 | parcelObjIsPointer, |
| 191 | isReader, |
| 192 | mode, |
| 193 | parentName, |
| 194 | offsetText, |
Andreas Huber | 0e00de4 | 2016-08-03 09:56:02 -0700 | [diff] [blame] | 195 | fullName(), |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 196 | "" /* childName */, |
| 197 | "" /* namespace */); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 198 | } |
| 199 | |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 200 | void CompoundType::emitJavaReaderWriter( |
| 201 | Formatter &out, |
| 202 | const std::string &parcelObj, |
| 203 | const std::string &argName, |
| 204 | bool isReader) const { |
| 205 | if (isReader) { |
| 206 | out << "new " << fullJavaName() << "();\n"; |
| 207 | } |
| 208 | |
| 209 | out << argName |
| 210 | << "." |
| 211 | << (isReader ? "readFromParcel" : "writeToParcel") |
| 212 | << "(" |
| 213 | << parcelObj |
| 214 | << ");\n"; |
| 215 | } |
| 216 | |
| 217 | void CompoundType::emitJavaFieldInitializer( |
| 218 | Formatter &out, const std::string &fieldName) const { |
| 219 | out << "final " |
| 220 | << fullJavaName() |
| 221 | << " " |
| 222 | << fieldName |
| 223 | << " = new " |
| 224 | << fullJavaName() |
| 225 | << "();\n"; |
| 226 | } |
| 227 | |
| 228 | void CompoundType::emitJavaFieldReaderWriter( |
| 229 | Formatter &out, |
Andreas Huber | 4c865b7 | 2016-09-14 15:26:27 -0700 | [diff] [blame] | 230 | size_t /* depth */, |
Andreas Huber | 709b62d | 2016-09-19 11:21:18 -0700 | [diff] [blame] | 231 | const std::string &parcelName, |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 232 | const std::string &blobName, |
| 233 | const std::string &fieldName, |
| 234 | const std::string &offset, |
| 235 | bool isReader) const { |
| 236 | if (isReader) { |
| 237 | out << fieldName |
Andreas Huber | 709b62d | 2016-09-19 11:21:18 -0700 | [diff] [blame] | 238 | << ".readEmbeddedFromParcel(" |
| 239 | << parcelName |
| 240 | << ", " |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 241 | << blobName |
| 242 | << ", " |
| 243 | << offset |
| 244 | << ");\n"; |
| 245 | |
| 246 | return; |
| 247 | } |
| 248 | |
| 249 | out << fieldName |
| 250 | << ".writeEmbeddedToBlob(" |
| 251 | << blobName |
| 252 | << ", " |
| 253 | << offset |
| 254 | << ");\n"; |
| 255 | } |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 256 | void CompoundType::emitResolveReferences( |
| 257 | Formatter &out, |
| 258 | const std::string &name, |
| 259 | bool nameIsPointer, |
| 260 | const std::string &parcelObj, |
| 261 | bool parcelObjIsPointer, |
| 262 | bool isReader, |
| 263 | ErrorMode mode) const { |
| 264 | emitResolveReferencesEmbedded( |
| 265 | out, |
| 266 | 0 /* depth */, |
| 267 | name, |
| 268 | name /* sanitizedName */, |
| 269 | nameIsPointer, |
| 270 | parcelObj, |
| 271 | parcelObjIsPointer, |
| 272 | isReader, |
| 273 | mode, |
| 274 | "_hidl_" + name + "_parent", |
| 275 | "0 /* parentOffset */"); |
| 276 | } |
| 277 | |
| 278 | void CompoundType::emitResolveReferencesEmbedded( |
| 279 | Formatter &out, |
| 280 | size_t /* depth */, |
| 281 | const std::string &name, |
| 282 | const std::string &/* sanitizedName */, |
| 283 | bool nameIsPointer, |
| 284 | const std::string &parcelObj, |
| 285 | bool parcelObjIsPointer, |
| 286 | bool isReader, |
| 287 | ErrorMode mode, |
| 288 | const std::string &parentName, |
| 289 | const std::string &offsetText) const { |
| 290 | CHECK(needsResolveReferences()); |
| 291 | |
| 292 | const std::string parcelObjDeref = |
| 293 | parcelObjIsPointer ? ("*" + parcelObj) : parcelObj; |
| 294 | |
| 295 | const std::string parcelObjPointer = |
| 296 | parcelObjIsPointer ? parcelObj : ("&" + parcelObj); |
| 297 | |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 298 | const std::string nameDerefed = nameIsPointer ? ("*" + name) : name; |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 299 | const std::string namePointer = nameIsPointer ? name : ("&" + name); |
| 300 | |
| 301 | out << "_hidl_err = "; |
| 302 | |
| 303 | if (isReader) { |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 304 | out << "readEmbeddedReferenceFromParcel(\n"; |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 305 | } else { |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 306 | out << "writeEmbeddedReferenceToParcel(\n"; |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 307 | } |
| 308 | |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 309 | out.indentBlock(2, [&]{ |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 310 | if (isReader) { |
| 311 | out << "const_cast<" |
| 312 | << fullName() |
| 313 | << " *" |
| 314 | << ">(" |
| 315 | << namePointer |
| 316 | << "),\n" |
| 317 | << parcelObjDeref; |
| 318 | } else { |
| 319 | out << nameDerefed |
| 320 | << ",\n" |
| 321 | << parcelObjPointer; |
| 322 | } |
| 323 | |
| 324 | out << ",\n" |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 325 | << parentName |
| 326 | << ",\n" |
| 327 | << offsetText |
| 328 | << ");\n\n"; |
| 329 | }); |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 330 | |
| 331 | handleError(out, mode); |
| 332 | } |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 333 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 334 | status_t CompoundType::emitTypeDeclarations(Formatter &out) const { |
| 335 | out << ((mStyle == STYLE_STRUCT) ? "struct" : "union") |
| 336 | << " " |
Andreas Huber | 0e00de4 | 2016-08-03 09:56:02 -0700 | [diff] [blame] | 337 | << localName() |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 338 | << " {\n"; |
| 339 | |
| 340 | out.indent(); |
| 341 | |
| 342 | Scope::emitTypeDeclarations(out); |
| 343 | |
| 344 | for (const auto &field : *mFields) { |
Yifan Hong | 3b320f8 | 2016-11-01 15:15:54 -0700 | [diff] [blame] | 345 | out << field->type().getCppStackType() |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 346 | << " " |
| 347 | << field->name() |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 348 | << ";\n"; |
| 349 | } |
| 350 | |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 351 | out.unindent(); |
| 352 | out << "};\n\n"; |
| 353 | |
| 354 | return OK; |
| 355 | } |
| 356 | |
| 357 | |
| 358 | status_t CompoundType::emitGlobalHwDeclarations(Formatter &out) const { |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 359 | if (needsEmbeddedReadWrite()) { |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 360 | out << "::android::status_t readEmbeddedFromParcel(\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 361 | |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 362 | out.indent(2); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 363 | |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 364 | out << fullName() << " *obj,\n" |
| 365 | << "const ::android::hardware::Parcel &parcel,\n" |
| 366 | << "size_t parentHandle,\n" |
| 367 | << "size_t parentOffset);\n\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 368 | |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 369 | out.unindent(2); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 370 | |
| 371 | out << "::android::status_t writeEmbeddedToParcel(\n"; |
| 372 | |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 373 | out.indent(2); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 374 | |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 375 | out << "const " << fullName() << " &obj,\n" |
| 376 | << "::android::hardware::Parcel *parcel,\n" |
| 377 | << "size_t parentHandle,\n" |
| 378 | << "size_t parentOffset);\n\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 379 | |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 380 | out.unindent(2); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 381 | } |
| 382 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 383 | if(needsResolveReferences()) { |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 384 | out << "::android::status_t readEmbeddedReferenceFromParcel(\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 385 | out.indent(2); |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 386 | out << fullName() << " *obj,\n" |
| 387 | << "const ::android::hardware::Parcel &parcel,\n" |
| 388 | << "size_t parentHandle, size_t parentOffset);\n\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 389 | out.unindent(2); |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 390 | out << "::android::status_t writeEmbeddedReferenceToParcel(\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 391 | out.indent(2); |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 392 | out << "const " << fullName() << " &obj,\n" |
| 393 | << "::android::hardware::Parcel *,\n" |
| 394 | << "size_t parentHandle, size_t parentOffset);\n\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 395 | out.unindent(2); |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 396 | } |
| 397 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 398 | return OK; |
| 399 | } |
| 400 | |
| 401 | status_t CompoundType::emitTypeDefinitions( |
| 402 | Formatter &out, const std::string prefix) const { |
Steven Moreland | b158de1 | 2016-10-10 11:59:09 -0700 | [diff] [blame] | 403 | std::string space = prefix.empty() ? "" : (prefix + "::"); |
| 404 | status_t err = Scope::emitTypeDefinitions(out, space + localName()); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 405 | |
| 406 | if (err != OK) { |
| 407 | return err; |
| 408 | } |
| 409 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 410 | if (needsEmbeddedReadWrite()) { |
| 411 | emitStructReaderWriter(out, prefix, true /* isReader */); |
| 412 | emitStructReaderWriter(out, prefix, false /* isReader */); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 413 | } |
| 414 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 415 | if (needsResolveReferences()) { |
| 416 | emitResolveReferenceDef(out, prefix, true /* isReader */); |
| 417 | emitResolveReferenceDef(out, prefix, false /* isReader */); |
| 418 | } |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 419 | |
| 420 | return OK; |
| 421 | } |
| 422 | |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 423 | status_t CompoundType::emitJavaTypeDeclarations( |
| 424 | Formatter &out, bool atTopLevel) const { |
| 425 | out << "public final "; |
| 426 | |
| 427 | if (!atTopLevel) { |
| 428 | out << "static "; |
| 429 | } |
| 430 | |
| 431 | out << "class " |
| 432 | << localName() |
| 433 | << " {\n"; |
| 434 | |
| 435 | out.indent(); |
| 436 | |
| 437 | Scope::emitJavaTypeDeclarations(out, false /* atTopLevel */); |
| 438 | |
| 439 | for (const auto &field : *mFields) { |
| 440 | const bool isScope = field->type().isScope(); // really isStruct... |
| 441 | |
| 442 | out << "public "; |
| 443 | |
| 444 | field->type().emitJavaFieldInitializer(out, field->name()); |
| 445 | } |
| 446 | |
| 447 | if (!mFields->empty()) { |
| 448 | out << "\n"; |
| 449 | } |
| 450 | |
Yifan Hong | 1af7353 | 2016-11-09 14:32:58 -0800 | [diff] [blame] | 451 | out << "public final void readFromParcel(android.os.HwParcel parcel) {\n"; |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 452 | out.indent(); |
Yifan Hong | 1af7353 | 2016-11-09 14:32:58 -0800 | [diff] [blame] | 453 | out << "android.os.HwBlob blob = parcel.readBuffer();\n"; |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 454 | out << "readEmbeddedFromParcel(parcel, blob, 0 /* parentOffset */);\n"; |
| 455 | out.unindent(); |
| 456 | out << "}\n\n"; |
| 457 | |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 458 | //////////////////////////////////////////////////////////////////////////// |
| 459 | |
Yifan Hong | 1af7353 | 2016-11-09 14:32:58 -0800 | [diff] [blame] | 460 | out << "public static final java.util.ArrayList<" |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 461 | << localName() |
Yifan Hong | 1af7353 | 2016-11-09 14:32:58 -0800 | [diff] [blame] | 462 | << "> readVectorFromParcel(android.os.HwParcel parcel) {\n"; |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 463 | out.indent(); |
| 464 | |
Yifan Hong | 1af7353 | 2016-11-09 14:32:58 -0800 | [diff] [blame] | 465 | out << "java.util.ArrayList<" |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 466 | << localName() |
Yifan Hong | 1af7353 | 2016-11-09 14:32:58 -0800 | [diff] [blame] | 467 | << "> _hidl_vec = new java.util.ArrayList();\n"; |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 468 | |
Yifan Hong | 1af7353 | 2016-11-09 14:32:58 -0800 | [diff] [blame] | 469 | out << "android.os.HwBlob _hidl_blob = parcel.readBuffer();\n\n"; |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 470 | |
| 471 | VectorType::EmitJavaFieldReaderWriterForElementType( |
Andreas Huber | 4c865b7 | 2016-09-14 15:26:27 -0700 | [diff] [blame] | 472 | out, |
| 473 | 0 /* depth */, |
| 474 | this, |
Andreas Huber | 709b62d | 2016-09-19 11:21:18 -0700 | [diff] [blame] | 475 | "parcel", |
Andreas Huber | 4c865b7 | 2016-09-14 15:26:27 -0700 | [diff] [blame] | 476 | "_hidl_blob", |
| 477 | "_hidl_vec", |
| 478 | "0", |
| 479 | true /* isReader */); |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 480 | |
Andreas Huber | 1b6822b | 2016-10-18 09:28:40 -0700 | [diff] [blame] | 481 | out << "\nreturn _hidl_vec;\n"; |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 482 | |
| 483 | out.unindent(); |
| 484 | out << "}\n\n"; |
| 485 | |
| 486 | //////////////////////////////////////////////////////////////////////////// |
| 487 | |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 488 | out << "public final void readEmbeddedFromParcel(\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 489 | out.indent(2); |
Yifan Hong | 1af7353 | 2016-11-09 14:32:58 -0800 | [diff] [blame] | 490 | out << "android.os.HwParcel parcel, android.os.HwBlob _hidl_blob, long _hidl_offset) {\n"; |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 491 | out.unindent(); |
| 492 | |
| 493 | size_t offset = 0; |
| 494 | for (const auto &field : *mFields) { |
| 495 | size_t fieldAlign, fieldSize; |
| 496 | field->type().getAlignmentAndSize(&fieldAlign, &fieldSize); |
| 497 | |
| 498 | size_t pad = offset % fieldAlign; |
| 499 | if (pad > 0) { |
| 500 | offset += fieldAlign - pad; |
| 501 | } |
| 502 | |
| 503 | field->type().emitJavaFieldReaderWriter( |
| 504 | out, |
Andreas Huber | 4c865b7 | 2016-09-14 15:26:27 -0700 | [diff] [blame] | 505 | 0 /* depth */, |
Andreas Huber | 709b62d | 2016-09-19 11:21:18 -0700 | [diff] [blame] | 506 | "parcel", |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 507 | "_hidl_blob", |
| 508 | field->name(), |
| 509 | "_hidl_offset + " + std::to_string(offset), |
| 510 | true /* isReader */); |
| 511 | |
| 512 | offset += fieldSize; |
| 513 | } |
| 514 | |
| 515 | out.unindent(); |
| 516 | out << "}\n\n"; |
| 517 | |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 518 | //////////////////////////////////////////////////////////////////////////// |
| 519 | |
Andreas Huber | 709b62d | 2016-09-19 11:21:18 -0700 | [diff] [blame] | 520 | size_t structAlign, structSize; |
| 521 | getAlignmentAndSize(&structAlign, &structSize); |
| 522 | |
Yifan Hong | 1af7353 | 2016-11-09 14:32:58 -0800 | [diff] [blame] | 523 | out << "public final void writeToParcel(android.os.HwParcel parcel) {\n"; |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 524 | out.indent(); |
| 525 | |
Yifan Hong | 1af7353 | 2016-11-09 14:32:58 -0800 | [diff] [blame] | 526 | out << "android.os.HwBlob _hidl_blob = new android.os.HwBlob(" |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 527 | << structSize |
| 528 | << " /* size */);\n"; |
| 529 | |
| 530 | out << "writeEmbeddedToBlob(_hidl_blob, 0 /* parentOffset */);\n" |
| 531 | << "parcel.writeBuffer(_hidl_blob);\n"; |
| 532 | |
| 533 | out.unindent(); |
| 534 | out << "}\n\n"; |
| 535 | |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 536 | //////////////////////////////////////////////////////////////////////////// |
| 537 | |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 538 | out << "public static final void writeVectorToParcel(\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 539 | out.indent(2); |
Yifan Hong | 1af7353 | 2016-11-09 14:32:58 -0800 | [diff] [blame] | 540 | out << "android.os.HwParcel parcel, java.util.ArrayList<" |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 541 | << localName() |
Andreas Huber | 1b6822b | 2016-10-18 09:28:40 -0700 | [diff] [blame] | 542 | << "> _hidl_vec) {\n"; |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 543 | out.unindent(); |
| 544 | |
Yifan Hong | 1af7353 | 2016-11-09 14:32:58 -0800 | [diff] [blame] | 545 | out << "android.os.HwBlob _hidl_blob = new android.os.HwBlob(24 /* sizeof(hidl_vec<T>) */);\n"; |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 546 | |
| 547 | VectorType::EmitJavaFieldReaderWriterForElementType( |
Andreas Huber | 4c865b7 | 2016-09-14 15:26:27 -0700 | [diff] [blame] | 548 | out, |
| 549 | 0 /* depth */, |
| 550 | this, |
Andreas Huber | 709b62d | 2016-09-19 11:21:18 -0700 | [diff] [blame] | 551 | "parcel", |
Andreas Huber | 4c865b7 | 2016-09-14 15:26:27 -0700 | [diff] [blame] | 552 | "_hidl_blob", |
| 553 | "_hidl_vec", |
| 554 | "0", |
| 555 | false /* isReader */); |
Andreas Huber | f630bc8 | 2016-09-09 14:52:25 -0700 | [diff] [blame] | 556 | |
| 557 | out << "\nparcel.writeBuffer(_hidl_blob);\n"; |
| 558 | |
| 559 | out.unindent(); |
| 560 | out << "}\n\n"; |
| 561 | |
| 562 | //////////////////////////////////////////////////////////////////////////// |
| 563 | |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 564 | out << "public final void writeEmbeddedToBlob(\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 565 | out.indent(2); |
Yifan Hong | 1af7353 | 2016-11-09 14:32:58 -0800 | [diff] [blame] | 566 | out << "android.os.HwBlob _hidl_blob, long _hidl_offset) {\n"; |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 567 | out.unindent(); |
| 568 | |
| 569 | offset = 0; |
| 570 | for (const auto &field : *mFields) { |
| 571 | size_t fieldAlign, fieldSize; |
| 572 | field->type().getAlignmentAndSize(&fieldAlign, &fieldSize); |
| 573 | |
| 574 | size_t pad = offset % fieldAlign; |
| 575 | if (pad > 0) { |
| 576 | offset += fieldAlign - pad; |
| 577 | } |
| 578 | |
| 579 | field->type().emitJavaFieldReaderWriter( |
| 580 | out, |
Andreas Huber | 4c865b7 | 2016-09-14 15:26:27 -0700 | [diff] [blame] | 581 | 0 /* depth */, |
Andreas Huber | 709b62d | 2016-09-19 11:21:18 -0700 | [diff] [blame] | 582 | "parcel", |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 583 | "_hidl_blob", |
| 584 | field->name(), |
| 585 | "_hidl_offset + " + std::to_string(offset), |
| 586 | false /* isReader */); |
| 587 | |
| 588 | offset += fieldSize; |
| 589 | } |
| 590 | |
| 591 | out.unindent(); |
| 592 | out << "}\n"; |
| 593 | |
| 594 | out.unindent(); |
| 595 | out << "};\n\n"; |
| 596 | |
| 597 | return OK; |
| 598 | } |
| 599 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 600 | void CompoundType::emitStructReaderWriter( |
| 601 | Formatter &out, const std::string &prefix, bool isReader) const { |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 602 | |
| 603 | std::string space = prefix.empty() ? "" : (prefix + "::"); |
| 604 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 605 | out << "::android::status_t " |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 606 | << (isReader ? "readEmbeddedFromParcel" |
| 607 | : "writeEmbeddedToParcel") |
| 608 | << "(\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 609 | |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 610 | out.indent(2); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 611 | |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 612 | bool useName = false; |
| 613 | for (const auto &field : *mFields) { |
| 614 | if (field->type().useNameInEmitReaderWriterEmbedded(isReader)) { |
| 615 | useName = true; |
| 616 | break; |
| 617 | } |
| 618 | } |
| 619 | std::string name = useName ? "obj" : "/* obj */"; |
| 620 | // if not useName, then obj should not be used at all, |
| 621 | // then the #error should not be emitted. |
| 622 | std::string error = useName ? "" : "\n#error\n"; |
| 623 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 624 | if (isReader) { |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 625 | out << space << localName() << " *" << name << ",\n"; |
Andreas Huber | 8a82ff7 | 2016-08-04 10:29:39 -0700 | [diff] [blame] | 626 | out << "const ::android::hardware::Parcel &parcel,\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 627 | } else { |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 628 | out << "const " << space << localName() << " &" << name << ",\n"; |
Andreas Huber | 8a82ff7 | 2016-08-04 10:29:39 -0700 | [diff] [blame] | 629 | out << "::android::hardware::Parcel *parcel,\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 630 | } |
| 631 | |
| 632 | out << "size_t parentHandle,\n" |
| 633 | << "size_t parentOffset)"; |
| 634 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 635 | out << " {\n"; |
| 636 | |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 637 | out.unindent(2); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 638 | out.indent(); |
| 639 | |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 640 | out << "::android::status_t _hidl_err = ::android::OK;\n\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 641 | |
| 642 | for (const auto &field : *mFields) { |
| 643 | if (!field->type().needsEmbeddedReadWrite()) { |
| 644 | continue; |
| 645 | } |
| 646 | |
| 647 | field->type().emitReaderWriterEmbedded( |
| 648 | out, |
Andreas Huber | f9d49f1 | 2016-09-12 14:58:36 -0700 | [diff] [blame] | 649 | 0 /* depth */, |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 650 | name + (isReader ? "->" : ".") + field->name() + error, |
Yifan Hong | be2a373 | 2016-10-05 13:33:41 -0700 | [diff] [blame] | 651 | field->name() /* sanitizedName */, |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 652 | false /* nameIsPointer */, |
| 653 | "parcel", |
| 654 | !isReader /* parcelObjIsPointer */, |
| 655 | isReader, |
Andreas Huber | 737080b | 2016-08-02 15:38:04 -0700 | [diff] [blame] | 656 | ErrorMode_Return, |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 657 | "parentHandle", |
Andreas Huber | 0e00de4 | 2016-08-03 09:56:02 -0700 | [diff] [blame] | 658 | "parentOffset + offsetof(" |
| 659 | + fullName() |
| 660 | + ", " |
| 661 | + field->name() |
| 662 | + ")"); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 663 | } |
| 664 | |
| 665 | out.unindent(); |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 666 | out << "_hidl_error:\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 667 | out.indent(); |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 668 | out << "return _hidl_err;\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 669 | |
| 670 | out.unindent(); |
| 671 | out << "}\n\n"; |
| 672 | } |
| 673 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 674 | void CompoundType::emitResolveReferenceDef( |
| 675 | Formatter &out, const std::string prefix, bool isReader) const { |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 676 | out << "::android::status_t "; |
| 677 | const std::string space(prefix.empty() ? "" : (prefix + "::")); |
Yifan Hong | 00f4717 | 2016-09-30 14:40:45 -0700 | [diff] [blame] | 678 | |
| 679 | bool useParent = false; |
| 680 | for (const auto &field : *mFields) { |
| 681 | if (field->type().useParentInEmitResolveReferencesEmbedded()) { |
| 682 | useParent = true; |
| 683 | break; |
| 684 | } |
| 685 | } |
| 686 | |
| 687 | std::string parentHandleName = useParent ? "parentHandle" : "/* parentHandle */"; |
| 688 | std::string parentOffsetName = useParent ? "parentOffset" : "/* parentOffset */"; |
| 689 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 690 | if (isReader) { |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 691 | out << "readEmbeddedReferenceFromParcel(\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 692 | out.indent(2); |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 693 | out << space + localName() + " *obj,\n" |
| 694 | << "const ::android::hardware::Parcel &parcel,\n" |
Yifan Hong | 00f4717 | 2016-09-30 14:40:45 -0700 | [diff] [blame] | 695 | << "size_t " << parentHandleName << ", " |
| 696 | << "size_t " << parentOffsetName << ")\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 697 | out.unindent(2); |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 698 | } else { |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 699 | out << "writeEmbeddedReferenceToParcel(\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 700 | out.indent(2); |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 701 | out << "const " << space + localName() + " &obj,\n" |
| 702 | << "::android::hardware::Parcel *parcel,\n" |
Yifan Hong | 00f4717 | 2016-09-30 14:40:45 -0700 | [diff] [blame] | 703 | << "size_t " << parentHandleName << ", " |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 704 | << "size_t " << parentOffsetName << ")\n"; |
Yifan Hong | 0a68a28 | 2016-10-21 16:32:34 -0700 | [diff] [blame] | 705 | out.unindent(2); |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 706 | } |
| 707 | |
| 708 | out << " {\n"; |
| 709 | |
| 710 | out.indent(); |
| 711 | |
| 712 | out << "::android::status_t _hidl_err = ::android::OK;\n\n"; |
| 713 | |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 714 | const std::string nameDeref(isReader ? "obj->" : "obj."); |
Yifan Hong | 00f4717 | 2016-09-30 14:40:45 -0700 | [diff] [blame] | 715 | // if not useParent, then parentName and offsetText |
| 716 | // should not be used at all, then the #error should not be emitted. |
| 717 | std::string error = useParent ? "" : "\n#error\n"; |
| 718 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 719 | for (const auto &field : *mFields) { |
| 720 | if (!field->type().needsResolveReferences()) { |
| 721 | continue; |
| 722 | } |
| 723 | |
| 724 | field->type().emitResolveReferencesEmbedded( |
| 725 | out, |
| 726 | 0 /* depth */, |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 727 | nameDeref + field->name(), |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 728 | field->name() /* sanitizedName */, |
| 729 | false, // nameIsPointer |
| 730 | "parcel", // const std::string &parcelObj, |
| 731 | !isReader, // bool parcelObjIsPointer, |
| 732 | isReader, // bool isReader, |
| 733 | ErrorMode_Return, |
Yifan Hong | 00f4717 | 2016-09-30 14:40:45 -0700 | [diff] [blame] | 734 | parentHandleName + error, |
| 735 | parentOffsetName |
| 736 | + " + offsetof(" |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 737 | + fullName() |
| 738 | + ", " |
| 739 | + field->name() |
Yifan Hong | 00f4717 | 2016-09-30 14:40:45 -0700 | [diff] [blame] | 740 | + ")" |
| 741 | + error); |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 742 | } |
| 743 | |
| 744 | out.unindent(); |
| 745 | out << "_hidl_error:\n"; |
| 746 | out.indent(); |
| 747 | out << "return _hidl_err;\n"; |
| 748 | |
| 749 | out.unindent(); |
| 750 | out << "}\n\n"; |
| 751 | } |
| 752 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 753 | bool CompoundType::needsEmbeddedReadWrite() const { |
| 754 | if (mStyle != STYLE_STRUCT) { |
| 755 | return false; |
| 756 | } |
| 757 | |
| 758 | for (const auto &field : *mFields) { |
| 759 | if (field->type().needsEmbeddedReadWrite()) { |
| 760 | return true; |
| 761 | } |
| 762 | } |
| 763 | |
| 764 | return false; |
| 765 | } |
| 766 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 767 | bool CompoundType::needsResolveReferences() const { |
| 768 | if (mStyle != STYLE_STRUCT) { |
| 769 | return false; |
| 770 | } |
| 771 | |
| 772 | for (const auto &field : *mFields) { |
| 773 | if (field->type().needsResolveReferences()) { |
| 774 | return true; |
| 775 | } |
| 776 | } |
| 777 | |
| 778 | return false; |
| 779 | } |
| 780 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 781 | bool CompoundType::resultNeedsDeref() const { |
| 782 | return true; |
| 783 | } |
| 784 | |
Zhuoyao Zhang | 5158db4 | 2016-08-10 10:25:20 -0700 | [diff] [blame] | 785 | status_t CompoundType::emitVtsTypeDeclarations(Formatter &out) const { |
Zhuoyao Zhang | bf828c8 | 2016-10-26 14:15:10 -0700 | [diff] [blame] | 786 | out << "name: \"" << fullName() << "\"\n"; |
Zhuoyao Zhang | c5ea9f5 | 2016-10-06 15:05:39 -0700 | [diff] [blame] | 787 | out << "type: " << getVtsType() << "\n"; |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 788 | |
| 789 | // Emit declaration for each subtype. |
| 790 | for (const auto &type : getSubTypes()) { |
| 791 | switch (mStyle) { |
| 792 | case STYLE_STRUCT: |
| 793 | { |
Zhuoyao Zhang | c5ea9f5 | 2016-10-06 15:05:39 -0700 | [diff] [blame] | 794 | out << "sub_struct: {\n"; |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 795 | break; |
| 796 | } |
| 797 | case STYLE_UNION: |
| 798 | { |
Zhuoyao Zhang | c5ea9f5 | 2016-10-06 15:05:39 -0700 | [diff] [blame] | 799 | out << "sub_union: {\n"; |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 800 | break; |
| 801 | } |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 802 | } |
| 803 | out.indent(); |
| 804 | status_t status(type->emitVtsTypeDeclarations(out)); |
Zhuoyao Zhang | 5158db4 | 2016-08-10 10:25:20 -0700 | [diff] [blame] | 805 | if (status != OK) { |
| 806 | return status; |
| 807 | } |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 808 | out.unindent(); |
| 809 | out << "}\n"; |
Zhuoyao Zhang | 5158db4 | 2016-08-10 10:25:20 -0700 | [diff] [blame] | 810 | } |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 811 | |
| 812 | // Emit declaration for each field. |
| 813 | for (const auto &field : *mFields) { |
| 814 | switch (mStyle) { |
| 815 | case STYLE_STRUCT: |
| 816 | { |
| 817 | out << "struct_value: {\n"; |
| 818 | break; |
| 819 | } |
| 820 | case STYLE_UNION: |
| 821 | { |
| 822 | out << "union_value: {\n"; |
| 823 | break; |
| 824 | } |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 825 | } |
| 826 | out.indent(); |
| 827 | out << "name: \"" << field->name() << "\"\n"; |
| 828 | status_t status = field->type().emitVtsAttributeType(out); |
| 829 | if (status != OK) { |
| 830 | return status; |
| 831 | } |
| 832 | out.unindent(); |
| 833 | out << "}\n"; |
| 834 | } |
Zhuoyao Zhang | 5158db4 | 2016-08-10 10:25:20 -0700 | [diff] [blame] | 835 | |
| 836 | return OK; |
| 837 | } |
| 838 | |
Zhuoyao Zhang | 864c771 | 2016-08-16 15:35:28 -0700 | [diff] [blame] | 839 | status_t CompoundType::emitVtsAttributeType(Formatter &out) const { |
Zhuoyao Zhang | c5ea9f5 | 2016-10-06 15:05:39 -0700 | [diff] [blame] | 840 | out << "type: " << getVtsType() << "\n"; |
Zhuoyao Zhang | bf828c8 | 2016-10-26 14:15:10 -0700 | [diff] [blame] | 841 | out << "predefined_type: \"" << fullName() << "\"\n"; |
Zhuoyao Zhang | 5158db4 | 2016-08-10 10:25:20 -0700 | [diff] [blame] | 842 | return OK; |
| 843 | } |
| 844 | |
Andreas Huber | 70a59e1 | 2016-08-16 12:57:01 -0700 | [diff] [blame] | 845 | bool CompoundType::isJavaCompatible() const { |
Andreas Huber | 0fa9e39 | 2016-08-31 09:05:44 -0700 | [diff] [blame] | 846 | if (mStyle != STYLE_STRUCT || !Scope::isJavaCompatible()) { |
| 847 | return false; |
| 848 | } |
| 849 | |
| 850 | for (const auto &field : *mFields) { |
| 851 | if (!field->type().isJavaCompatible()) { |
| 852 | return false; |
| 853 | } |
| 854 | } |
| 855 | |
| 856 | return true; |
Andreas Huber | 85eabdb | 2016-08-25 11:24:49 -0700 | [diff] [blame] | 857 | } |
| 858 | |
| 859 | void CompoundType::getAlignmentAndSize(size_t *align, size_t *size) const { |
| 860 | *align = 1; |
| 861 | |
| 862 | size_t offset = 0; |
| 863 | for (const auto &field : *mFields) { |
| 864 | // Each field is aligned according to its alignment requirement. |
| 865 | // The surrounding structure's alignment is the maximum of its |
| 866 | // fields' aligments. |
| 867 | |
| 868 | size_t fieldAlign, fieldSize; |
| 869 | field->type().getAlignmentAndSize(&fieldAlign, &fieldSize); |
| 870 | |
| 871 | size_t pad = offset % fieldAlign; |
| 872 | if (pad > 0) { |
| 873 | offset += fieldAlign - pad; |
| 874 | } |
| 875 | |
| 876 | offset += fieldSize; |
| 877 | |
| 878 | if (fieldAlign > (*align)) { |
| 879 | *align = fieldAlign; |
| 880 | } |
| 881 | } |
| 882 | |
| 883 | // Final padding to account for the structure's alignment. |
| 884 | size_t pad = offset % (*align); |
| 885 | if (pad > 0) { |
| 886 | offset += (*align) - pad; |
| 887 | } |
| 888 | |
| 889 | *size = offset; |
Andreas Huber | 70a59e1 | 2016-08-16 12:57:01 -0700 | [diff] [blame] | 890 | } |
| 891 | |
Andreas Huber | 31629bc | 2016-08-03 09:06:40 -0700 | [diff] [blame] | 892 | //////////////////////////////////////////////////////////////////////////////// |
| 893 | |
| 894 | CompoundField::CompoundField(const char *name, Type *type) |
| 895 | : mName(name), |
| 896 | mType(type) { |
| 897 | } |
| 898 | |
| 899 | std::string CompoundField::name() const { |
| 900 | return mName; |
| 901 | } |
| 902 | |
| 903 | const Type &CompoundField::type() const { |
| 904 | return *mType; |
| 905 | } |
| 906 | |
Andreas Huber | c9410c7 | 2016-07-28 12:18:40 -0700 | [diff] [blame] | 907 | } // namespace android |
| 908 | |