Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1 | #include "AST.h" |
| 2 | |
| 3 | #include "Coordinator.h" |
| 4 | #include "Formatter.h" |
| 5 | #include "Interface.h" |
| 6 | #include "Method.h" |
| 7 | #include "Scope.h" |
| 8 | |
Andreas Huber | dca261f | 2016-08-04 13:47:51 -0700 | [diff] [blame] | 9 | #include <algorithm> |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 10 | #include <android-base/logging.h> |
Andreas Huber | dca261f | 2016-08-04 13:47:51 -0700 | [diff] [blame] | 11 | #include <string> |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 12 | #include <vector> |
| 13 | |
| 14 | namespace android { |
| 15 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 16 | static std::string upcase(const std::string in) { |
| 17 | std::string out{in}; |
| 18 | |
| 19 | for (auto &ch : out) { |
| 20 | ch = toupper(ch); |
| 21 | } |
| 22 | |
| 23 | return out; |
| 24 | } |
| 25 | |
Andreas Huber | b82318c | 2016-08-02 14:45:54 -0700 | [diff] [blame] | 26 | status_t AST::generateCpp(const std::string &outputPath) const { |
| 27 | status_t err = generateInterfaceHeader(outputPath); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 28 | |
| 29 | if (err == OK) { |
Andreas Huber | b82318c | 2016-08-02 14:45:54 -0700 | [diff] [blame] | 30 | err = generateStubHeader(outputPath); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 31 | } |
| 32 | |
| 33 | if (err == OK) { |
Andreas Huber | b82318c | 2016-08-02 14:45:54 -0700 | [diff] [blame] | 34 | err = generateProxyHeader(outputPath); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 35 | } |
| 36 | |
| 37 | if (err == OK) { |
Andreas Huber | b82318c | 2016-08-02 14:45:54 -0700 | [diff] [blame] | 38 | err = generateAllSource(outputPath); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 39 | } |
| 40 | |
| 41 | return err; |
| 42 | } |
| 43 | |
Andreas Huber | 737080b | 2016-08-02 15:38:04 -0700 | [diff] [blame] | 44 | void AST::getPackageComponents( |
| 45 | std::vector<std::string> *components) const { |
Andreas Huber | 0e00de4 | 2016-08-03 09:56:02 -0700 | [diff] [blame] | 46 | mPackage.getPackageComponents(components); |
Andreas Huber | 737080b | 2016-08-02 15:38:04 -0700 | [diff] [blame] | 47 | } |
| 48 | |
| 49 | void AST::getPackageAndVersionComponents( |
| 50 | std::vector<std::string> *components, bool cpp_compatible) const { |
Andreas Huber | 0e00de4 | 2016-08-03 09:56:02 -0700 | [diff] [blame] | 51 | mPackage.getPackageAndVersionComponents(components, cpp_compatible); |
Andreas Huber | 737080b | 2016-08-02 15:38:04 -0700 | [diff] [blame] | 52 | } |
| 53 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 54 | std::string AST::makeHeaderGuard(const std::string &baseName) const { |
| 55 | std::vector<std::string> packageComponents; |
| 56 | getPackageAndVersionComponents( |
| 57 | &packageComponents, true /* cpp_compatible */); |
| 58 | |
| 59 | std::string guard = "HIDL_GENERATED"; |
| 60 | for (const auto &component : packageComponents) { |
| 61 | guard += "_"; |
| 62 | guard += component; |
| 63 | } |
| 64 | |
| 65 | guard += "_"; |
| 66 | guard += baseName; |
| 67 | guard += "_H_"; |
| 68 | |
| 69 | return guard; |
| 70 | } |
| 71 | |
| 72 | void AST::enterLeaveNamespace(Formatter &out, bool enter) const { |
| 73 | std::vector<std::string> packageComponents; |
| 74 | getPackageAndVersionComponents( |
| 75 | &packageComponents, true /* cpp_compatible */); |
| 76 | |
| 77 | if (enter) { |
| 78 | for (const auto &component : packageComponents) { |
| 79 | out << "namespace " << component << " {\n"; |
| 80 | } |
Andreas Huber | 0e00de4 | 2016-08-03 09:56:02 -0700 | [diff] [blame] | 81 | |
| 82 | out.setNamespace(mPackage.cppNamespace()); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 83 | } else { |
Andreas Huber | 0e00de4 | 2016-08-03 09:56:02 -0700 | [diff] [blame] | 84 | out.setNamespace(std::string()); |
| 85 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 86 | for (auto it = packageComponents.rbegin(); |
| 87 | it != packageComponents.rend(); |
| 88 | ++it) { |
| 89 | out << "} // namespace " << *it << "\n"; |
| 90 | } |
| 91 | } |
| 92 | } |
| 93 | |
Andreas Huber | b82318c | 2016-08-02 14:45:54 -0700 | [diff] [blame] | 94 | status_t AST::generateInterfaceHeader(const std::string &outputPath) const { |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 95 | |
Andreas Huber | b82318c | 2016-08-02 14:45:54 -0700 | [diff] [blame] | 96 | std::string path = outputPath; |
Andreas Huber | d2943e1 | 2016-08-05 11:59:31 -0700 | [diff] [blame^] | 97 | path.append(mCoordinator->convertPackageRootToPath(mPackage)); |
Andreas Huber | dca261f | 2016-08-04 13:47:51 -0700 | [diff] [blame] | 98 | path.append(mCoordinator->getPackagePath(mPackage, true /* relative */)); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 99 | |
| 100 | std::string ifaceName; |
| 101 | bool isInterface = true; |
| 102 | if (!AST::isInterface(&ifaceName)) { |
| 103 | ifaceName = "types"; |
| 104 | isInterface = false; |
| 105 | } |
| 106 | path.append(ifaceName); |
| 107 | path.append(".h"); |
| 108 | |
Andreas Huber | d2943e1 | 2016-08-05 11:59:31 -0700 | [diff] [blame^] | 109 | CHECK(Coordinator::MakeParentHierarchy(path)); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 110 | FILE *file = fopen(path.c_str(), "w"); |
| 111 | |
| 112 | if (file == NULL) { |
| 113 | return -errno; |
| 114 | } |
| 115 | |
| 116 | Formatter out(file); |
| 117 | |
| 118 | const std::string guard = makeHeaderGuard(ifaceName); |
| 119 | |
| 120 | out << "#ifndef " << guard << "\n"; |
| 121 | out << "#define " << guard << "\n\n"; |
| 122 | |
Andreas Huber | 737080b | 2016-08-02 15:38:04 -0700 | [diff] [blame] | 123 | for (const auto &item : mImportedNames) { |
| 124 | out << "#include <"; |
| 125 | |
| 126 | std::vector<std::string> components; |
Andreas Huber | 0e00de4 | 2016-08-03 09:56:02 -0700 | [diff] [blame] | 127 | item.getPackageAndVersionComponents( |
| 128 | &components, false /* cpp_compatible */); |
Andreas Huber | 737080b | 2016-08-02 15:38:04 -0700 | [diff] [blame] | 129 | |
| 130 | for (const auto &component : components) { |
| 131 | out << component << "/"; |
| 132 | } |
| 133 | |
| 134 | out << item.name() |
| 135 | << ".h>\n"; |
| 136 | } |
| 137 | |
| 138 | if (!mImportedNames.empty()) { |
| 139 | out << "\n"; |
| 140 | } |
| 141 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 142 | out << "#include <hwbinder/HidlSupport.h>\n"; |
| 143 | |
| 144 | if (isInterface) { |
| 145 | out << "#include <hwbinder/IBinder.h>\n"; |
| 146 | out << "#include <hwbinder/IInterface.h>\n"; |
| 147 | out << "#include <hwbinder/Status.h>\n"; |
| 148 | } |
| 149 | |
| 150 | out << "#include <utils/NativeHandle.h>\n\n"; |
| 151 | |
| 152 | enterLeaveNamespace(out, true /* enter */); |
| 153 | out << "\n"; |
| 154 | |
| 155 | if (isInterface) { |
| 156 | out << "struct " |
| 157 | << ifaceName |
Andreas Huber | 6cb08cf | 2016-08-03 15:44:51 -0700 | [diff] [blame] | 158 | << " : public "; |
| 159 | |
| 160 | const Interface *iface = mRootScope->getInterface(); |
| 161 | const Interface *superType = iface->superType(); |
| 162 | |
| 163 | if (superType != NULL) { |
| 164 | out << superType->fullName(); |
| 165 | } else { |
Andreas Huber | 8a82ff7 | 2016-08-04 10:29:39 -0700 | [diff] [blame] | 166 | out << "::android::hardware::IInterface"; |
Andreas Huber | 6cb08cf | 2016-08-03 15:44:51 -0700 | [diff] [blame] | 167 | } |
| 168 | |
| 169 | out << " {\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 170 | |
| 171 | out.indent(); |
| 172 | |
Andreas Huber | 737080b | 2016-08-02 15:38:04 -0700 | [diff] [blame] | 173 | // cut off the leading 'I'. |
| 174 | const std::string baseName = ifaceName.substr(1); |
| 175 | |
| 176 | out << "DECLARE_HWBINDER_META_INTERFACE(" << baseName << ");\n\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 177 | } |
| 178 | |
| 179 | status_t err = emitTypeDeclarations(out); |
| 180 | |
| 181 | if (err != OK) { |
| 182 | return err; |
| 183 | } |
| 184 | |
| 185 | if (isInterface) { |
| 186 | const Interface *iface = mRootScope->getInterface(); |
Andreas Huber | 6cb08cf | 2016-08-03 15:44:51 -0700 | [diff] [blame] | 187 | const Interface *superType = iface->superType(); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 188 | |
| 189 | out << "enum Call {\n"; |
| 190 | out.indent(); |
| 191 | |
| 192 | bool first = true; |
| 193 | for (const auto &method : iface->methods()) { |
| 194 | out << upcase(method->name()); |
| 195 | |
| 196 | if (first) { |
Andreas Huber | 6cb08cf | 2016-08-03 15:44:51 -0700 | [diff] [blame] | 197 | out << " = "; |
| 198 | if (superType != NULL) { |
| 199 | out << superType->fullName() |
| 200 | << "::Call::CallCount"; |
| 201 | } else { |
Andreas Huber | 8a82ff7 | 2016-08-04 10:29:39 -0700 | [diff] [blame] | 202 | out << "::android::hardware::IBinder::FIRST_CALL_TRANSACTION"; |
Andreas Huber | 6cb08cf | 2016-08-03 15:44:51 -0700 | [diff] [blame] | 203 | } |
| 204 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 205 | first = false; |
| 206 | } |
| 207 | |
| 208 | out << ",\n"; |
| 209 | } |
| 210 | |
Andreas Huber | 6cb08cf | 2016-08-03 15:44:51 -0700 | [diff] [blame] | 211 | out << "CallCount\n"; |
| 212 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 213 | out.unindent(); |
| 214 | out << "};\n\n"; |
| 215 | |
| 216 | bool haveCallbacks = false; |
| 217 | for (const auto &method : iface->methods()) { |
| 218 | const bool returnsValue = !method->results().empty(); |
| 219 | |
| 220 | if (!returnsValue) { |
| 221 | continue; |
| 222 | } |
| 223 | |
| 224 | haveCallbacks = true; |
| 225 | |
| 226 | out << "using " |
| 227 | << method->name() |
| 228 | << "_cb = std::function<void(" |
| 229 | << Method::GetSignature(method->results()) |
| 230 | << ")>;\n"; |
| 231 | } |
| 232 | |
| 233 | if (haveCallbacks) { |
| 234 | out << "\n"; |
| 235 | } |
| 236 | |
| 237 | for (const auto &method : iface->methods()) { |
| 238 | const bool returnsValue = !method->results().empty(); |
| 239 | |
Andreas Huber | 8a82ff7 | 2016-08-04 10:29:39 -0700 | [diff] [blame] | 240 | out << "virtual ::android::hardware::Status " |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 241 | << method->name() |
| 242 | << "(" |
| 243 | << Method::GetSignature(method->args()); |
| 244 | |
| 245 | if (returnsValue) { |
| 246 | if (!method->args().empty()) { |
| 247 | out << ", "; |
| 248 | } |
| 249 | |
| 250 | out << method->name() << "_cb _aidl_cb = nullptr"; |
| 251 | } |
| 252 | |
| 253 | out << ") = 0;\n"; |
| 254 | } |
| 255 | } |
| 256 | |
| 257 | if (isInterface) { |
| 258 | out.unindent(); |
| 259 | |
| 260 | out << "};\n"; |
| 261 | } |
| 262 | |
| 263 | out << "\n"; |
| 264 | enterLeaveNamespace(out, false /* enter */); |
| 265 | |
| 266 | out << "\n#endif // " << guard << "\n"; |
| 267 | |
| 268 | return OK; |
| 269 | } |
| 270 | |
| 271 | status_t AST::emitTypeDeclarations(Formatter &out) const { |
| 272 | return mRootScope->emitTypeDeclarations(out); |
| 273 | } |
| 274 | |
Andreas Huber | b82318c | 2016-08-02 14:45:54 -0700 | [diff] [blame] | 275 | status_t AST::generateStubHeader(const std::string &outputPath) const { |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 276 | std::string ifaceName; |
| 277 | if (!AST::isInterface(&ifaceName)) { |
| 278 | // types.hal does not get a stub header. |
| 279 | return OK; |
| 280 | } |
| 281 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 282 | // cut off the leading 'I'. |
| 283 | const std::string baseName = ifaceName.substr(1); |
| 284 | |
Andreas Huber | b82318c | 2016-08-02 14:45:54 -0700 | [diff] [blame] | 285 | std::string path = outputPath; |
Andreas Huber | d2943e1 | 2016-08-05 11:59:31 -0700 | [diff] [blame^] | 286 | path.append(mCoordinator->convertPackageRootToPath(mPackage)); |
Andreas Huber | dca261f | 2016-08-04 13:47:51 -0700 | [diff] [blame] | 287 | path.append(mCoordinator->getPackagePath(mPackage, true /* relative */)); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 288 | path.append("Bn"); |
| 289 | path.append(baseName); |
| 290 | path.append(".h"); |
| 291 | |
Andreas Huber | d2943e1 | 2016-08-05 11:59:31 -0700 | [diff] [blame^] | 292 | CHECK(Coordinator::MakeParentHierarchy(path)); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 293 | FILE *file = fopen(path.c_str(), "w"); |
| 294 | |
| 295 | if (file == NULL) { |
| 296 | return -errno; |
| 297 | } |
| 298 | |
| 299 | Formatter out(file); |
| 300 | |
| 301 | const std::string guard = makeHeaderGuard("Bn" + baseName); |
| 302 | |
| 303 | out << "#ifndef " << guard << "\n"; |
| 304 | out << "#define " << guard << "\n\n"; |
| 305 | |
| 306 | std::vector<std::string> packageComponents; |
| 307 | getPackageAndVersionComponents( |
| 308 | &packageComponents, false /* cpp_compatible */); |
| 309 | |
| 310 | out << "#include <"; |
| 311 | for (const auto &component : packageComponents) { |
| 312 | out << component << "/"; |
| 313 | } |
| 314 | out << ifaceName << ".h>\n\n"; |
| 315 | |
| 316 | enterLeaveNamespace(out, true /* enter */); |
| 317 | out << "\n"; |
| 318 | |
| 319 | out << "struct " |
| 320 | << "Bn" |
| 321 | << baseName |
Andreas Huber | 8a82ff7 | 2016-08-04 10:29:39 -0700 | [diff] [blame] | 322 | << " : public ::android::hardware::BnInterface<" |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 323 | << ifaceName |
| 324 | << "> {\n"; |
| 325 | |
| 326 | out.indent(); |
| 327 | |
| 328 | out << "::android::status_t onTransact(\n"; |
| 329 | out.indent(); |
| 330 | out.indent(); |
| 331 | out << "uint32_t _aidl_code,\n"; |
Andreas Huber | 8a82ff7 | 2016-08-04 10:29:39 -0700 | [diff] [blame] | 332 | out << "const ::android::hardware::Parcel &_aidl_data,\n"; |
| 333 | out << "::android::hardware::Parcel *_aidl_reply,\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 334 | out << "uint32_t _aidl_flags = 0,\n"; |
| 335 | out << "TransactCallback _aidl_cb = nullptr) override;\n"; |
| 336 | out.unindent(); |
| 337 | out.unindent(); |
| 338 | |
| 339 | out.unindent(); |
| 340 | |
| 341 | out << "};\n\n"; |
| 342 | |
| 343 | enterLeaveNamespace(out, false /* enter */); |
| 344 | |
| 345 | out << "\n#endif // " << guard << "\n"; |
| 346 | |
| 347 | return OK; |
| 348 | } |
| 349 | |
Andreas Huber | b82318c | 2016-08-02 14:45:54 -0700 | [diff] [blame] | 350 | status_t AST::generateProxyHeader(const std::string &outputPath) const { |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 351 | std::string ifaceName; |
| 352 | if (!AST::isInterface(&ifaceName)) { |
| 353 | // types.hal does not get a proxy header. |
| 354 | return OK; |
| 355 | } |
| 356 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 357 | // cut off the leading 'I'. |
| 358 | const std::string baseName = ifaceName.substr(1); |
| 359 | |
Andreas Huber | b82318c | 2016-08-02 14:45:54 -0700 | [diff] [blame] | 360 | std::string path = outputPath; |
Andreas Huber | d2943e1 | 2016-08-05 11:59:31 -0700 | [diff] [blame^] | 361 | path.append(mCoordinator->convertPackageRootToPath(mPackage)); |
Andreas Huber | dca261f | 2016-08-04 13:47:51 -0700 | [diff] [blame] | 362 | path.append(mCoordinator->getPackagePath(mPackage, true /* relative */)); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 363 | path.append("Bp"); |
| 364 | path.append(baseName); |
| 365 | path.append(".h"); |
| 366 | |
Andreas Huber | d2943e1 | 2016-08-05 11:59:31 -0700 | [diff] [blame^] | 367 | CHECK(Coordinator::MakeParentHierarchy(path)); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 368 | FILE *file = fopen(path.c_str(), "w"); |
| 369 | |
| 370 | if (file == NULL) { |
| 371 | return -errno; |
| 372 | } |
| 373 | |
| 374 | Formatter out(file); |
| 375 | |
| 376 | const std::string guard = makeHeaderGuard("Bp" + baseName); |
| 377 | |
| 378 | out << "#ifndef " << guard << "\n"; |
| 379 | out << "#define " << guard << "\n\n"; |
| 380 | |
| 381 | std::vector<std::string> packageComponents; |
| 382 | getPackageAndVersionComponents( |
| 383 | &packageComponents, false /* cpp_compatible */); |
| 384 | |
| 385 | out << "#include <"; |
| 386 | for (const auto &component : packageComponents) { |
| 387 | out << component << "/"; |
| 388 | } |
| 389 | out << ifaceName << ".h>\n\n"; |
| 390 | |
| 391 | enterLeaveNamespace(out, true /* enter */); |
| 392 | out << "\n"; |
| 393 | |
| 394 | out << "struct " |
| 395 | << "Bp" |
| 396 | << baseName |
Andreas Huber | 8a82ff7 | 2016-08-04 10:29:39 -0700 | [diff] [blame] | 397 | << " : public ::android::hardware::BpInterface<" |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 398 | << ifaceName |
| 399 | << "> {\n"; |
| 400 | |
| 401 | out.indent(); |
| 402 | |
| 403 | out << "explicit Bp" |
| 404 | << baseName |
Andreas Huber | 8a82ff7 | 2016-08-04 10:29:39 -0700 | [diff] [blame] | 405 | << "(const ::android::sp<::android::hardware::IBinder> &_aidl_impl);" |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 406 | << "\n\n"; |
| 407 | |
| 408 | const Interface *iface = mRootScope->getInterface(); |
| 409 | |
Andreas Huber | 6cb08cf | 2016-08-03 15:44:51 -0700 | [diff] [blame] | 410 | std::vector<const Interface *> chain; |
| 411 | while (iface != NULL) { |
| 412 | chain.push_back(iface); |
| 413 | iface = iface->superType(); |
| 414 | } |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 415 | |
Andreas Huber | 6cb08cf | 2016-08-03 15:44:51 -0700 | [diff] [blame] | 416 | for (auto it = chain.rbegin(); it != chain.rend(); ++it) { |
| 417 | const Interface *superInterface = *it; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 418 | |
Andreas Huber | 6cb08cf | 2016-08-03 15:44:51 -0700 | [diff] [blame] | 419 | out << "// Methods from " |
| 420 | << superInterface->fullName() |
| 421 | << " follow.\n"; |
| 422 | |
| 423 | for (const auto &method : superInterface->methods()) { |
| 424 | const bool returnsValue = !method->results().empty(); |
| 425 | |
Andreas Huber | 8a82ff7 | 2016-08-04 10:29:39 -0700 | [diff] [blame] | 426 | out << "::android::hardware::Status " |
Andreas Huber | 6cb08cf | 2016-08-03 15:44:51 -0700 | [diff] [blame] | 427 | << method->name() |
| 428 | << "(" |
| 429 | << Method::GetSignature(method->args()); |
| 430 | |
| 431 | if (returnsValue) { |
| 432 | if (!method->args().empty()) { |
| 433 | out << ", "; |
| 434 | } |
| 435 | |
| 436 | out << method->name() << "_cb _aidl_cb"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 437 | } |
| 438 | |
Andreas Huber | 6cb08cf | 2016-08-03 15:44:51 -0700 | [diff] [blame] | 439 | out << ") override;\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 440 | } |
| 441 | |
Andreas Huber | 6cb08cf | 2016-08-03 15:44:51 -0700 | [diff] [blame] | 442 | out << "\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 443 | } |
| 444 | |
| 445 | out.unindent(); |
| 446 | |
| 447 | out << "};\n\n"; |
| 448 | |
| 449 | enterLeaveNamespace(out, false /* enter */); |
| 450 | |
| 451 | out << "\n#endif // " << guard << "\n"; |
| 452 | |
| 453 | return OK; |
| 454 | } |
| 455 | |
Andreas Huber | b82318c | 2016-08-02 14:45:54 -0700 | [diff] [blame] | 456 | status_t AST::generateAllSource(const std::string &outputPath) const { |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 457 | |
Andreas Huber | b82318c | 2016-08-02 14:45:54 -0700 | [diff] [blame] | 458 | std::string path = outputPath; |
Andreas Huber | d2943e1 | 2016-08-05 11:59:31 -0700 | [diff] [blame^] | 459 | path.append(mCoordinator->convertPackageRootToPath(mPackage)); |
Andreas Huber | dca261f | 2016-08-04 13:47:51 -0700 | [diff] [blame] | 460 | path.append(mCoordinator->getPackagePath(mPackage, true /* relative */)); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 461 | |
| 462 | std::string ifaceName; |
| 463 | std::string baseName; |
| 464 | |
| 465 | bool isInterface = true; |
| 466 | if (!AST::isInterface(&ifaceName)) { |
| 467 | baseName = "types"; |
| 468 | isInterface = false; |
| 469 | } else { |
| 470 | baseName = ifaceName.substr(1); // cut off the leading 'I'. |
| 471 | } |
| 472 | |
| 473 | path.append(baseName); |
| 474 | |
| 475 | if (baseName != "types") { |
| 476 | path.append("All"); |
| 477 | } |
| 478 | |
| 479 | path.append(".cpp"); |
| 480 | |
Andreas Huber | d2943e1 | 2016-08-05 11:59:31 -0700 | [diff] [blame^] | 481 | CHECK(Coordinator::MakeParentHierarchy(path)); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 482 | FILE *file = fopen(path.c_str(), "w"); |
| 483 | |
| 484 | if (file == NULL) { |
| 485 | return -errno; |
| 486 | } |
| 487 | |
| 488 | Formatter out(file); |
| 489 | |
| 490 | std::vector<std::string> packageComponents; |
| 491 | getPackageAndVersionComponents( |
| 492 | &packageComponents, false /* cpp_compatible */); |
| 493 | |
| 494 | std::string prefix; |
| 495 | for (const auto &component : packageComponents) { |
| 496 | prefix += component; |
| 497 | prefix += "/"; |
| 498 | } |
| 499 | |
| 500 | if (isInterface) { |
| 501 | out << "#include <" << prefix << "/Bp" << baseName << ".h>\n"; |
| 502 | out << "#include <" << prefix << "/Bn" << baseName << ".h>\n"; |
| 503 | } else { |
| 504 | out << "#include <" << prefix << "types.h>\n"; |
| 505 | } |
| 506 | |
| 507 | out << "\n"; |
| 508 | |
| 509 | enterLeaveNamespace(out, true /* enter */); |
| 510 | out << "\n"; |
| 511 | |
| 512 | status_t err = generateTypeSource(out, ifaceName); |
| 513 | |
| 514 | if (err == OK && isInterface) { |
| 515 | err = generateProxySource(out, baseName); |
| 516 | } |
| 517 | |
| 518 | if (err == OK && isInterface) { |
| 519 | err = generateStubSource(out, baseName); |
| 520 | } |
| 521 | |
| 522 | enterLeaveNamespace(out, false /* enter */); |
| 523 | |
| 524 | return err; |
| 525 | } |
| 526 | |
| 527 | status_t AST::generateTypeSource( |
| 528 | Formatter &out, const std::string &ifaceName) const { |
| 529 | return mRootScope->emitTypeDefinitions(out, ifaceName); |
| 530 | } |
| 531 | |
| 532 | void AST::emitCppReaderWriter( |
| 533 | Formatter &out, |
| 534 | const std::string &parcelObj, |
| 535 | bool parcelObjIsPointer, |
| 536 | const TypedVar *arg, |
| 537 | bool isReader, |
| 538 | Type::ErrorMode mode) const { |
| 539 | const Type &type = arg->type(); |
| 540 | |
| 541 | if (isReader) { |
| 542 | std::string extra; |
| 543 | out << type.getCppResultType(&extra) |
| 544 | << " " |
| 545 | << arg->name() |
| 546 | << extra |
| 547 | << ";\n"; |
| 548 | } |
| 549 | |
| 550 | type.emitReaderWriter( |
| 551 | out, |
| 552 | arg->name(), |
| 553 | parcelObj, |
| 554 | parcelObjIsPointer, |
| 555 | isReader, |
| 556 | mode); |
| 557 | } |
| 558 | |
| 559 | status_t AST::generateProxySource( |
| 560 | Formatter &out, const std::string &baseName) const { |
| 561 | const std::string klassName = "Bp" + baseName; |
| 562 | |
| 563 | out << klassName |
| 564 | << "::" |
| 565 | << klassName |
Andreas Huber | 8a82ff7 | 2016-08-04 10:29:39 -0700 | [diff] [blame] | 566 | << "(const ::android::sp<::android::hardware::IBinder> &_aidl_impl)\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 567 | |
| 568 | out.indent(); |
| 569 | out.indent(); |
| 570 | |
| 571 | out << ": BpInterface" |
| 572 | << "<I" |
| 573 | << baseName |
| 574 | << ">(_aidl_impl) {\n"; |
| 575 | |
| 576 | out.unindent(); |
| 577 | out.unindent(); |
| 578 | out << "}\n\n"; |
| 579 | |
| 580 | const Interface *iface = mRootScope->getInterface(); |
| 581 | |
Andreas Huber | 6cb08cf | 2016-08-03 15:44:51 -0700 | [diff] [blame] | 582 | std::vector<const Interface *> chain; |
| 583 | while (iface != NULL) { |
| 584 | chain.push_back(iface); |
| 585 | iface = iface->superType(); |
| 586 | } |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 587 | |
Andreas Huber | 6cb08cf | 2016-08-03 15:44:51 -0700 | [diff] [blame] | 588 | for (auto it = chain.rbegin(); it != chain.rend(); ++it) { |
| 589 | const Interface *superInterface = *it; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 590 | |
Andreas Huber | 6cb08cf | 2016-08-03 15:44:51 -0700 | [diff] [blame] | 591 | for (const auto &method : superInterface->methods()) { |
| 592 | const bool returnsValue = !method->results().empty(); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 593 | |
Andreas Huber | 8a82ff7 | 2016-08-04 10:29:39 -0700 | [diff] [blame] | 594 | out << "::android::hardware::Status " |
Andreas Huber | 6cb08cf | 2016-08-03 15:44:51 -0700 | [diff] [blame] | 595 | << klassName |
| 596 | << "::" |
| 597 | << method->name() |
| 598 | << "(" |
| 599 | << Method::GetSignature(method->args()); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 600 | |
Andreas Huber | 6cb08cf | 2016-08-03 15:44:51 -0700 | [diff] [blame] | 601 | if (returnsValue) { |
| 602 | if (!method->args().empty()) { |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 603 | out << ", "; |
| 604 | } |
| 605 | |
Andreas Huber | 6cb08cf | 2016-08-03 15:44:51 -0700 | [diff] [blame] | 606 | out << method->name() << "_cb _aidl_cb"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 607 | } |
| 608 | |
Andreas Huber | 6cb08cf | 2016-08-03 15:44:51 -0700 | [diff] [blame] | 609 | out << ") {\n"; |
| 610 | |
| 611 | out.indent(); |
| 612 | |
Andreas Huber | 8a82ff7 | 2016-08-04 10:29:39 -0700 | [diff] [blame] | 613 | out << "::android::hardware::Parcel _aidl_data;\n"; |
| 614 | out << "::android::hardware::Parcel _aidl_reply;\n"; |
Andreas Huber | 6cb08cf | 2016-08-03 15:44:51 -0700 | [diff] [blame] | 615 | out << "::android::status_t _aidl_err;\n\n"; |
Andreas Huber | 8a82ff7 | 2016-08-04 10:29:39 -0700 | [diff] [blame] | 616 | out << "::android::hardware::Status _aidl_status;\n"; |
Andreas Huber | 6cb08cf | 2016-08-03 15:44:51 -0700 | [diff] [blame] | 617 | |
| 618 | out << "_aidl_err = _aidl_data.writeInterfaceToken(" |
| 619 | << superInterface->fullName() |
| 620 | << "::getInterfaceDescriptor());\n"; |
| 621 | |
| 622 | out << "if (_aidl_err != ::android::OK) { goto _aidl_error; }\n\n"; |
| 623 | |
| 624 | for (const auto &arg : method->args()) { |
| 625 | emitCppReaderWriter( |
| 626 | out, |
| 627 | "_aidl_data", |
| 628 | false /* parcelObjIsPointer */, |
| 629 | arg, |
| 630 | false /* reader */, |
| 631 | Type::ErrorMode_Goto); |
| 632 | } |
| 633 | |
| 634 | out << "_aidl_err = remote()->transact(I" |
| 635 | << baseName |
| 636 | << "::" |
| 637 | << upcase(method->name()) |
| 638 | << ", _aidl_data, &_aidl_reply);\n"; |
| 639 | |
| 640 | out << "if (_aidl_err != ::android::OK) { goto _aidl_error; }\n\n"; |
| 641 | |
| 642 | out << "_aidl_err = _aidl_status.readFromParcel(_aidl_reply);\n"; |
| 643 | out << "if (_aidl_err != ::android::OK) { goto _aidl_error; }\n\n"; |
| 644 | |
| 645 | out << "if (!_aidl_status.isOk()) { return _aidl_status; }\n\n"; |
| 646 | |
| 647 | for (const auto &arg : method->results()) { |
| 648 | emitCppReaderWriter( |
| 649 | out, |
| 650 | "_aidl_reply", |
| 651 | false /* parcelObjIsPointer */, |
| 652 | arg, |
| 653 | true /* reader */, |
| 654 | Type::ErrorMode_Goto); |
| 655 | } |
| 656 | |
| 657 | if (returnsValue) { |
| 658 | out << "if (_aidl_cb != nullptr) {\n"; |
| 659 | out.indent(); |
| 660 | out << "_aidl_cb("; |
| 661 | |
| 662 | bool first = true; |
| 663 | for (const auto &arg : method->results()) { |
| 664 | if (!first) { |
| 665 | out << ", "; |
| 666 | } |
| 667 | |
| 668 | if (arg->type().resultNeedsDeref()) { |
| 669 | out << "*"; |
| 670 | } |
| 671 | out << arg->name(); |
| 672 | |
| 673 | first = false; |
| 674 | } |
| 675 | |
| 676 | out << ");\n"; |
| 677 | out.unindent(); |
| 678 | out << "}\n\n"; |
| 679 | } |
| 680 | |
| 681 | out.unindent(); |
| 682 | out << "_aidl_error:\n"; |
| 683 | out.indent(); |
| 684 | out << "_aidl_status.setFromStatusT(_aidl_err);\n" |
| 685 | << "return _aidl_status;\n"; |
| 686 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 687 | out.unindent(); |
| 688 | out << "}\n\n"; |
| 689 | } |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 690 | } |
| 691 | |
| 692 | return OK; |
| 693 | } |
| 694 | |
| 695 | status_t AST::generateStubSource( |
| 696 | Formatter &out, const std::string &baseName) const { |
| 697 | out << "IMPLEMENT_HWBINDER_META_INTERFACE(" |
| 698 | << baseName |
| 699 | << ", \"" |
| 700 | << mPackage.string() |
| 701 | << "::I" |
| 702 | << baseName |
| 703 | << "\");\n\n"; |
| 704 | |
| 705 | const std::string klassName = "Bn" + baseName; |
| 706 | |
| 707 | out << "::android::status_t " << klassName << "::onTransact(\n"; |
| 708 | |
| 709 | out.indent(); |
| 710 | out.indent(); |
| 711 | |
| 712 | out << "uint32_t _aidl_code,\n" |
Andreas Huber | 8a82ff7 | 2016-08-04 10:29:39 -0700 | [diff] [blame] | 713 | << "const ::android::hardware::Parcel &_aidl_data,\n" |
| 714 | << "::android::hardware::Parcel *_aidl_reply,\n" |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 715 | << "uint32_t _aidl_flags,\n" |
| 716 | << "TransactCallback _aidl_cb) {\n"; |
| 717 | |
| 718 | out.unindent(); |
| 719 | |
| 720 | out << "::android::status_t _aidl_err = ::android::OK;\n\n"; |
| 721 | |
| 722 | out << "switch (_aidl_code) {\n"; |
| 723 | out.indent(); |
| 724 | |
| 725 | const Interface *iface = mRootScope->getInterface(); |
| 726 | |
Andreas Huber | 6cb08cf | 2016-08-03 15:44:51 -0700 | [diff] [blame] | 727 | std::vector<const Interface *> chain; |
| 728 | while (iface != NULL) { |
| 729 | chain.push_back(iface); |
| 730 | iface = iface->superType(); |
| 731 | } |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 732 | |
Andreas Huber | 6cb08cf | 2016-08-03 15:44:51 -0700 | [diff] [blame] | 733 | for (auto it = chain.rbegin(); it != chain.rend(); ++it) { |
| 734 | const Interface *superInterface = *it; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 735 | |
Andreas Huber | 6cb08cf | 2016-08-03 15:44:51 -0700 | [diff] [blame] | 736 | for (const auto &method : superInterface->methods()) { |
| 737 | out << "case " |
| 738 | << superInterface->fullName() |
| 739 | << "::Call::" |
| 740 | << upcase(method->name()) |
| 741 | << ":\n{\n"; |
| 742 | |
| 743 | out.indent(); |
| 744 | |
| 745 | status_t err = |
| 746 | generateStubSourceForMethod(out, superInterface, method); |
| 747 | |
| 748 | if (err != OK) { |
| 749 | return err; |
| 750 | } |
| 751 | |
| 752 | out.unindent(); |
| 753 | out << "}\n\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 754 | } |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 755 | } |
| 756 | |
| 757 | out << "default:\n{\n"; |
| 758 | out.indent(); |
| 759 | |
Andreas Huber | 8a82ff7 | 2016-08-04 10:29:39 -0700 | [diff] [blame] | 760 | out << "return ::android::hardware::BnInterface<I" |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 761 | << baseName |
| 762 | << ">::onTransact(\n"; |
| 763 | |
| 764 | out.indent(); |
| 765 | out.indent(); |
| 766 | |
| 767 | out << "_aidl_code, _aidl_data, _aidl_reply, " |
| 768 | << "_aidl_flags, _aidl_cb);\n"; |
| 769 | |
| 770 | out.unindent(); |
| 771 | out.unindent(); |
| 772 | |
| 773 | out.unindent(); |
| 774 | out << "}\n"; |
| 775 | |
| 776 | out.unindent(); |
| 777 | out << "}\n\n"; |
| 778 | |
| 779 | out << "if (_aidl_err == ::android::UNEXPECTED_NULL) {\n"; |
| 780 | out.indent(); |
Andreas Huber | 8a82ff7 | 2016-08-04 10:29:39 -0700 | [diff] [blame] | 781 | out << "_aidl_err = ::android::hardware::Status::fromExceptionCode(\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 782 | out.indent(); |
| 783 | out.indent(); |
Andreas Huber | 8a82ff7 | 2016-08-04 10:29:39 -0700 | [diff] [blame] | 784 | out << "::android::hardware::Status::EX_NULL_POINTER)\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 785 | out.indent(); |
| 786 | out.indent(); |
| 787 | out << ".writeToParcel(_aidl_reply);\n"; |
| 788 | out.unindent(); |
| 789 | out.unindent(); |
| 790 | out.unindent(); |
| 791 | out.unindent(); |
| 792 | |
| 793 | out.unindent(); |
| 794 | out << "}\n\n"; |
| 795 | |
| 796 | out << "return _aidl_err;\n"; |
| 797 | |
| 798 | out.unindent(); |
| 799 | out << "}\n\n"; |
| 800 | |
| 801 | return OK; |
| 802 | } |
| 803 | |
| 804 | status_t AST::generateStubSourceForMethod( |
Andreas Huber | 6cb08cf | 2016-08-03 15:44:51 -0700 | [diff] [blame] | 805 | Formatter &out, const Interface *iface, const Method *method) const { |
| 806 | out << "if (!_aidl_data.enforceInterface(" |
| 807 | << iface->fullName() |
| 808 | << "::getInterfaceDescriptor())) {\n"; |
| 809 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 810 | out.indent(); |
| 811 | out << "_aidl_err = ::android::BAD_TYPE;\n"; |
| 812 | out << "break;\n"; |
| 813 | out.unindent(); |
| 814 | out << "}\n\n"; |
| 815 | |
| 816 | for (const auto &arg : method->args()) { |
| 817 | emitCppReaderWriter( |
| 818 | out, |
| 819 | "_aidl_data", |
| 820 | false /* parcelObjIsPointer */, |
| 821 | arg, |
| 822 | true /* reader */, |
| 823 | Type::ErrorMode_Break); |
| 824 | } |
| 825 | |
| 826 | const bool returnsValue = !method->results().empty(); |
| 827 | |
| 828 | if (returnsValue) { |
| 829 | out << "bool _aidl_callbackCalled = false;\n\n"; |
| 830 | } |
| 831 | |
Andreas Huber | 8a82ff7 | 2016-08-04 10:29:39 -0700 | [diff] [blame] | 832 | out << "::android::hardware::Status _aidl_status(\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 833 | out.indent(); |
| 834 | out.indent(); |
| 835 | out << method->name() << "("; |
| 836 | |
| 837 | bool first = true; |
| 838 | for (const auto &arg : method->args()) { |
| 839 | if (!first) { |
| 840 | out << ", "; |
| 841 | } |
| 842 | |
| 843 | if (arg->type().resultNeedsDeref()) { |
| 844 | out << "*"; |
| 845 | } |
| 846 | |
| 847 | out << arg->name(); |
| 848 | |
| 849 | first = false; |
| 850 | } |
| 851 | |
| 852 | if (returnsValue) { |
| 853 | if (!first) { |
| 854 | out << ", "; |
| 855 | } |
| 856 | |
| 857 | out << "[&]("; |
| 858 | |
| 859 | first = true; |
| 860 | for (const auto &arg : method->results()) { |
| 861 | if (!first) { |
| 862 | out << ", "; |
| 863 | } |
| 864 | |
| 865 | out << "const auto &" << arg->name(); |
| 866 | |
| 867 | first = false; |
| 868 | } |
| 869 | |
| 870 | out << ") {\n"; |
| 871 | out.indent(); |
| 872 | out << "_aidl_callbackCalled = true;\n\n"; |
| 873 | |
Andreas Huber | 8a82ff7 | 2016-08-04 10:29:39 -0700 | [diff] [blame] | 874 | out << "::android::hardware::Status::ok()" |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 875 | << ".writeToParcel(_aidl_reply);\n\n"; |
| 876 | |
| 877 | for (const auto &arg : method->results()) { |
| 878 | emitCppReaderWriter( |
| 879 | out, |
| 880 | "_aidl_reply", |
| 881 | true /* parcelObjIsPointer */, |
| 882 | arg, |
| 883 | false /* reader */, |
| 884 | Type::ErrorMode_Ignore); |
| 885 | } |
| 886 | |
| 887 | out << "_aidl_cb(*_aidl_reply);\n"; |
| 888 | |
| 889 | out.unindent(); |
| 890 | out << "}\n"; |
| 891 | } |
| 892 | |
| 893 | out.unindent(); |
| 894 | out.unindent(); |
| 895 | out << "));\n\n"; |
| 896 | |
| 897 | if (returnsValue) { |
| 898 | out << "if (!_aidl_callbackCalled) {\n"; |
| 899 | out.indent(); |
| 900 | } |
| 901 | |
| 902 | out << "_aidl_err = _aidl_status.writeToParcel(_aidl_reply);\n"; |
| 903 | |
| 904 | if (returnsValue) { |
| 905 | out.unindent(); |
| 906 | out << "}\n\n"; |
| 907 | } |
| 908 | |
| 909 | out << "break;\n"; |
| 910 | |
| 911 | return OK; |
| 912 | } |
| 913 | |
| 914 | } // namespace android |
| 915 | |