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 | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 17 | #include "AST.h" |
| 18 | |
| 19 | #include "Coordinator.h" |
Iliyan Malchev | 40d474a | 2016-08-16 06:20:17 -0700 | [diff] [blame] | 20 | #include "EnumType.h" |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 21 | #include "Interface.h" |
| 22 | #include "Method.h" |
Iliyan Malchev | 40d474a | 2016-08-16 06:20:17 -0700 | [diff] [blame] | 23 | #include "ScalarType.h" |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 24 | #include "Scope.h" |
| 25 | |
Andreas Huber | dca261f | 2016-08-04 13:47:51 -0700 | [diff] [blame] | 26 | #include <algorithm> |
Iliyan Malchev | a72e0d2 | 2016-09-09 11:03:08 -0700 | [diff] [blame] | 27 | #include <hidl-util/Formatter.h> |
Steven Moreland | 5708edf | 2016-11-04 15:33:31 +0000 | [diff] [blame] | 28 | #include <hidl-util/StringHelper.h> |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 29 | #include <android-base/logging.h> |
Andreas Huber | dca261f | 2016-08-04 13:47:51 -0700 | [diff] [blame] | 30 | #include <string> |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 31 | #include <vector> |
| 32 | |
| 33 | namespace android { |
| 34 | |
Andreas Huber | b82318c | 2016-08-02 14:45:54 -0700 | [diff] [blame] | 35 | status_t AST::generateCpp(const std::string &outputPath) const { |
| 36 | status_t err = generateInterfaceHeader(outputPath); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 37 | |
| 38 | if (err == OK) { |
Andreas Huber | b82318c | 2016-08-02 14:45:54 -0700 | [diff] [blame] | 39 | err = generateStubHeader(outputPath); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 40 | } |
| 41 | |
| 42 | if (err == OK) { |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 43 | err = generateHwBinderHeader(outputPath); |
| 44 | } |
| 45 | |
| 46 | if (err == OK) { |
Andreas Huber | b82318c | 2016-08-02 14:45:54 -0700 | [diff] [blame] | 47 | err = generateProxyHeader(outputPath); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 48 | } |
| 49 | |
| 50 | if (err == OK) { |
Andreas Huber | b82318c | 2016-08-02 14:45:54 -0700 | [diff] [blame] | 51 | err = generateAllSource(outputPath); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 52 | } |
| 53 | |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 54 | if (err == OK) { |
| 55 | generatePassthroughHeader(outputPath); |
| 56 | } |
| 57 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 58 | return err; |
| 59 | } |
| 60 | |
Andreas Huber | 737080b | 2016-08-02 15:38:04 -0700 | [diff] [blame] | 61 | void AST::getPackageComponents( |
| 62 | std::vector<std::string> *components) const { |
Andreas Huber | 0e00de4 | 2016-08-03 09:56:02 -0700 | [diff] [blame] | 63 | mPackage.getPackageComponents(components); |
Andreas Huber | 737080b | 2016-08-02 15:38:04 -0700 | [diff] [blame] | 64 | } |
| 65 | |
| 66 | void AST::getPackageAndVersionComponents( |
| 67 | std::vector<std::string> *components, bool cpp_compatible) const { |
Andreas Huber | 0e00de4 | 2016-08-03 09:56:02 -0700 | [diff] [blame] | 68 | mPackage.getPackageAndVersionComponents(components, cpp_compatible); |
Andreas Huber | 737080b | 2016-08-02 15:38:04 -0700 | [diff] [blame] | 69 | } |
| 70 | |
Steven Moreland | 5708edf | 2016-11-04 15:33:31 +0000 | [diff] [blame] | 71 | std::string AST::makeHeaderGuard(const std::string &baseName, |
| 72 | bool indicateGenerated) const { |
| 73 | std::string guard; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 74 | |
Steven Moreland | 5708edf | 2016-11-04 15:33:31 +0000 | [diff] [blame] | 75 | if (indicateGenerated) { |
| 76 | guard += "HIDL_GENERATED_"; |
| 77 | } |
| 78 | |
| 79 | guard += StringHelper::Uppercase(mPackage.tokenName()); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 80 | guard += "_"; |
Steven Moreland | 5708edf | 2016-11-04 15:33:31 +0000 | [diff] [blame] | 81 | guard += StringHelper::Uppercase(baseName); |
| 82 | guard += "_H"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 83 | |
| 84 | return guard; |
| 85 | } |
| 86 | |
Steven Moreland | ee88eed | 2016-10-31 17:49:00 -0700 | [diff] [blame] | 87 | // static |
| 88 | void AST::generateCppPackageInclude( |
| 89 | Formatter &out, |
| 90 | const FQName &package, |
| 91 | const std::string &klass) { |
| 92 | |
| 93 | out << "#include <"; |
| 94 | |
| 95 | std::vector<std::string> components; |
| 96 | package.getPackageAndVersionComponents(&components, false /* cpp_compatible */); |
| 97 | |
| 98 | for (const auto &component : components) { |
| 99 | out << component << "/"; |
| 100 | } |
| 101 | |
| 102 | out << klass |
| 103 | << ".h>\n"; |
| 104 | } |
| 105 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 106 | void AST::enterLeaveNamespace(Formatter &out, bool enter) const { |
| 107 | std::vector<std::string> packageComponents; |
| 108 | getPackageAndVersionComponents( |
| 109 | &packageComponents, true /* cpp_compatible */); |
| 110 | |
| 111 | if (enter) { |
| 112 | for (const auto &component : packageComponents) { |
| 113 | out << "namespace " << component << " {\n"; |
| 114 | } |
Andreas Huber | 0e00de4 | 2016-08-03 09:56:02 -0700 | [diff] [blame] | 115 | |
Andreas Huber | 2831d51 | 2016-08-15 09:33:47 -0700 | [diff] [blame] | 116 | out.setNamespace(mPackage.cppNamespace() + "::"); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 117 | } else { |
Andreas Huber | 0e00de4 | 2016-08-03 09:56:02 -0700 | [diff] [blame] | 118 | out.setNamespace(std::string()); |
| 119 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 120 | for (auto it = packageComponents.rbegin(); |
| 121 | it != packageComponents.rend(); |
| 122 | ++it) { |
| 123 | out << "} // namespace " << *it << "\n"; |
| 124 | } |
| 125 | } |
| 126 | } |
| 127 | |
Yifan Hong | 83c8e5f | 2016-12-13 14:33:53 -0800 | [diff] [blame^] | 128 | static void declareServiceManagerInteractions(Formatter &out, const std::string &baseName) { |
| 129 | out << "static ::android::sp<I" << baseName << "> getService(" |
| 130 | << "const std::string &serviceName, bool getStub=false);\n"; |
| 131 | out << "::android::status_t registerAsService(const std::string &serviceName);\n"; |
| 132 | out << "static bool registerForNotifications(\n"; |
| 133 | out.indent(2, [&] { |
| 134 | out << "const std::string &serviceName,\n" |
| 135 | << "const ::android::sp<::android::hidl::manager::V1_0::IServiceNotification> " |
| 136 | << "¬ification);\n"; |
| 137 | }); |
| 138 | |
| 139 | } |
| 140 | |
| 141 | static void implementServiceManagerInteractions(Formatter &out, |
| 142 | const std::string &baseName, const std::string &package) { |
| 143 | |
| 144 | out << "// static\n" |
| 145 | << "::android::sp<I" << baseName << "> I" << baseName << "::getService(" |
| 146 | << "const std::string &serviceName, bool getStub) "; |
| 147 | out.block([&] { |
| 148 | out << "::android::sp<I" << baseName << "> iface;\n" |
| 149 | << "const ::android::sp<::android::hidl::manager::V1_0::IServiceManager> sm\n"; |
| 150 | out.indent(2, [&] { |
| 151 | out << "= ::android::hardware::defaultServiceManager();\n"; |
| 152 | }); |
| 153 | out.sIf("sm != nullptr && !getStub", [&] { |
| 154 | out << "::android::sp<::android::hidl::base::V1_0::IBase> base;\n" |
| 155 | << "::android::hardware::Return<void> ret =\n"; |
| 156 | out.indent(2, [&] { |
| 157 | out << "sm->get(\"" << package << "::I" << baseName << "\", serviceName.c_str(),\n"; |
| 158 | out.indent(2, [&] { |
| 159 | out << "[&base](::android::sp<::android::hidl::base::V1_0::IBase> found) "; |
| 160 | out.block([&] { |
| 161 | out << "base = found;\n"; |
| 162 | }); |
| 163 | out << ");\n"; |
| 164 | }); |
| 165 | }); |
| 166 | out.sIf("ret.getStatus().isOk()", [&] { |
| 167 | out << "iface = I" << baseName << "::castFrom(base);\n"; |
| 168 | out.sIf("iface != nullptr", [&] { |
| 169 | out << "return iface;\n"; |
| 170 | }).endl(); |
| 171 | }).endl(); |
| 172 | }).endl(); |
| 173 | out << "const int dlMode = RTLD_LAZY;\n"; |
| 174 | out << "void *handle = nullptr;\n"; |
| 175 | for (const auto &path : std::vector<std::string>({ |
| 176 | "HAL_LIBRARY_PATH_ODM", "HAL_LIBRARY_PATH_VENDOR", "HAL_LIBRARY_PATH_SYSTEM" |
| 177 | })) { |
| 178 | out.sIf("handle == nullptr", [&] { |
| 179 | out << "handle = dlopen(" |
| 180 | << path << " \"" << package << "-impl.so\", dlMode);\n"; |
| 181 | }).endl(); |
| 182 | } |
| 183 | out.sIf("handle == nullptr", [&] { |
| 184 | out << "return iface;\n"; |
| 185 | }).endl(); |
| 186 | out << "I" << baseName << "* (*generator)(const char* name);\n" |
| 187 | << "*(void **)(&generator) = dlsym(handle, \"HIDL_FETCH_I" << baseName << "\");\n"; |
| 188 | out.sIf("generator", [&] { |
| 189 | out << "iface = (*generator)(serviceName.c_str());\n"; |
| 190 | out.sIf("iface != nullptr", [&] { |
| 191 | out << "iface = new Bs" << baseName << "(iface);\n"; |
| 192 | }).endl(); |
| 193 | }).endl(); |
| 194 | out << "return iface;\n"; |
| 195 | }).endl().endl(); |
| 196 | |
| 197 | out << "::android::status_t I" << baseName << "::registerAsService(" |
| 198 | << "const std::string &serviceName) "; |
| 199 | out.block([&] { |
| 200 | out << "const ::android::sp<::android::hidl::manager::V1_0::IServiceManager> sm\n"; |
| 201 | out.indent(2, [&] { |
| 202 | out << "= ::android::hardware::defaultServiceManager();\n"; |
| 203 | }); |
| 204 | out.sIf("sm == nullptr", [&] { |
| 205 | out << "return ::android::INVALID_OPERATION;\n"; |
| 206 | }).endl(); |
| 207 | out << "bool success = false;\n" |
| 208 | << "::android::hardware::Return<void> ret =\n"; |
| 209 | out.indent(2, [&] { |
| 210 | out << "this->interfaceChain(" |
| 211 | << "[&success, &sm, &serviceName, this](const auto &chain) "; |
| 212 | out.block([&] { |
| 213 | out << "::android::hardware::Return<bool> addRet = " |
| 214 | << "sm->add(chain, serviceName.c_str(), this);\n"; |
| 215 | out << "success = addRet.isOk() && addRet;\n"; |
| 216 | }); |
| 217 | out << ");\n"; |
| 218 | out << "success = success && ret.getStatus().isOk();\n"; |
| 219 | }); |
| 220 | out << "return success ? ::android::OK : ::android::UNKNOWN_ERROR;\n"; |
| 221 | }).endl().endl(); |
| 222 | |
| 223 | out << "bool I" << baseName << "::registerForNotifications(\n"; |
| 224 | out.indent(2, [&] { |
| 225 | out << "const std::string &serviceName,\n" |
| 226 | << "const ::android::sp<::android::hidl::manager::V1_0::IServiceNotification> " |
| 227 | << "¬ification) "; |
| 228 | }); |
| 229 | out.block([&] { |
| 230 | out << "const ::android::sp<::android::hidl::manager::V1_0::IServiceManager> sm\n"; |
| 231 | out.indent(2, [&] { |
| 232 | out << "= ::android::hardware::defaultServiceManager();\n"; |
| 233 | }); |
| 234 | out.sIf("sm == nullptr", [&] { |
| 235 | out << "return false;\n"; |
| 236 | }).endl(); |
| 237 | out << "::android::hardware::Return<bool> success =\n"; |
| 238 | out.indent(2, [&] { |
| 239 | out << "sm->registerForNotifications(\"" << package << "::I" << baseName << "\",\n"; |
| 240 | out.indent(2, [&] { |
| 241 | out << "serviceName, notification);\n"; |
| 242 | }); |
| 243 | }); |
| 244 | out << "return success.isOk() && success;\n"; |
| 245 | }).endl().endl(); |
| 246 | } |
| 247 | |
Andreas Huber | b82318c | 2016-08-02 14:45:54 -0700 | [diff] [blame] | 248 | status_t AST::generateInterfaceHeader(const std::string &outputPath) const { |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 249 | |
Andreas Huber | b82318c | 2016-08-02 14:45:54 -0700 | [diff] [blame] | 250 | std::string path = outputPath; |
Andreas Huber | d2943e1 | 2016-08-05 11:59:31 -0700 | [diff] [blame] | 251 | path.append(mCoordinator->convertPackageRootToPath(mPackage)); |
Andreas Huber | dca261f | 2016-08-04 13:47:51 -0700 | [diff] [blame] | 252 | path.append(mCoordinator->getPackagePath(mPackage, true /* relative */)); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 253 | |
| 254 | std::string ifaceName; |
| 255 | bool isInterface = true; |
| 256 | if (!AST::isInterface(&ifaceName)) { |
| 257 | ifaceName = "types"; |
| 258 | isInterface = false; |
| 259 | } |
| 260 | path.append(ifaceName); |
| 261 | path.append(".h"); |
| 262 | |
Andreas Huber | d2943e1 | 2016-08-05 11:59:31 -0700 | [diff] [blame] | 263 | CHECK(Coordinator::MakeParentHierarchy(path)); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 264 | FILE *file = fopen(path.c_str(), "w"); |
| 265 | |
| 266 | if (file == NULL) { |
| 267 | return -errno; |
| 268 | } |
| 269 | |
| 270 | Formatter out(file); |
| 271 | |
| 272 | const std::string guard = makeHeaderGuard(ifaceName); |
| 273 | |
| 274 | out << "#ifndef " << guard << "\n"; |
| 275 | out << "#define " << guard << "\n\n"; |
| 276 | |
Andreas Huber | 737080b | 2016-08-02 15:38:04 -0700 | [diff] [blame] | 277 | for (const auto &item : mImportedNames) { |
Steven Moreland | ee88eed | 2016-10-31 17:49:00 -0700 | [diff] [blame] | 278 | generateCppPackageInclude(out, item, item.name()); |
Andreas Huber | 737080b | 2016-08-02 15:38:04 -0700 | [diff] [blame] | 279 | } |
| 280 | |
| 281 | if (!mImportedNames.empty()) { |
| 282 | out << "\n"; |
| 283 | } |
| 284 | |
Steven Moreland | 0693f31 | 2016-11-09 15:06:14 -0800 | [diff] [blame] | 285 | if (isInterface) { |
Yifan Hong | c893404 | 2016-11-17 17:10:52 -0800 | [diff] [blame] | 286 | if (isIBase()) { |
| 287 | out << "// skipped #include IServiceNotification.h\n\n"; |
| 288 | } else { |
| 289 | out << "#include <android/hidl/manager/1.0/IServiceNotification.h>\n\n"; |
| 290 | } |
Steven Moreland | 0693f31 | 2016-11-09 15:06:14 -0800 | [diff] [blame] | 291 | } |
| 292 | |
Yifan Hong | c893404 | 2016-11-17 17:10:52 -0800 | [diff] [blame] | 293 | out << "#include <hidl/HidlSupport.h>\n"; |
Andreas Huber | 4bcf97d | 2016-08-30 11:27:49 -0700 | [diff] [blame] | 294 | out << "#include <hidl/MQDescriptor.h>\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 295 | |
| 296 | if (isInterface) { |
Martijn Coenen | 9391510 | 2016-09-01 01:35:52 +0200 | [diff] [blame] | 297 | out << "#include <hidl/Status.h>\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 298 | } |
| 299 | |
Martijn Coenen | af712c0 | 2016-11-16 15:26:27 +0100 | [diff] [blame] | 300 | out << "#include <utils/NativeHandle.h>\n"; |
| 301 | out << "#include <utils/misc.h>\n\n"; /* for report_sysprop_change() */ |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 302 | |
| 303 | enterLeaveNamespace(out, true /* enter */); |
| 304 | out << "\n"; |
| 305 | |
| 306 | if (isInterface) { |
| 307 | out << "struct " |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 308 | << ifaceName; |
Andreas Huber | 6cb08cf | 2016-08-03 15:44:51 -0700 | [diff] [blame] | 309 | |
| 310 | const Interface *iface = mRootScope->getInterface(); |
| 311 | const Interface *superType = iface->superType(); |
| 312 | |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 313 | if (superType == NULL) { |
Yifan Hong | c893404 | 2016-11-17 17:10:52 -0800 | [diff] [blame] | 314 | out << " : virtual public ::android::RefBase"; |
Andreas Huber | 6cb08cf | 2016-08-03 15:44:51 -0700 | [diff] [blame] | 315 | } else { |
Steven Moreland | d916a70 | 2016-10-26 22:23:09 +0000 | [diff] [blame] | 316 | out << " : public " |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 317 | << superType->fullName(); |
Andreas Huber | 6cb08cf | 2016-08-03 15:44:51 -0700 | [diff] [blame] | 318 | } |
| 319 | |
| 320 | out << " {\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 321 | |
| 322 | out.indent(); |
| 323 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 324 | } |
| 325 | |
| 326 | status_t err = emitTypeDeclarations(out); |
| 327 | |
| 328 | if (err != OK) { |
| 329 | return err; |
| 330 | } |
| 331 | |
| 332 | if (isInterface) { |
| 333 | const Interface *iface = mRootScope->getInterface(); |
Andreas Huber | 6cb08cf | 2016-08-03 15:44:51 -0700 | [diff] [blame] | 334 | const Interface *superType = iface->superType(); |
Jayant Chowdhary | 3f32c1f | 2016-09-15 16:53:56 -0700 | [diff] [blame] | 335 | const std::string baseName = iface->getBaseName(); |
Steven Moreland | 19d5c17 | 2016-10-20 19:20:25 -0700 | [diff] [blame] | 336 | out << "constexpr static ::android::hardware::hidl_version version = {" |
Martijn Coenen | a21f149 | 2016-09-08 15:55:14 +0200 | [diff] [blame] | 337 | << mPackage.getPackageMajorVersion() << "," |
| 338 | << mPackage.getPackageMinorVersion() << "};\n"; |
Steven Moreland | 19d5c17 | 2016-10-20 19:20:25 -0700 | [diff] [blame] | 339 | out << "virtual const ::android::hardware::hidl_version&" |
| 340 | << "getInterfaceVersion() const {\n"; |
Martijn Coenen | a21f149 | 2016-09-08 15:55:14 +0200 | [diff] [blame] | 341 | out.indent(); |
| 342 | out << "return version;\n"; |
| 343 | out.unindent(); |
| 344 | out << "}\n\n"; |
Yifan Hong | c893404 | 2016-11-17 17:10:52 -0800 | [diff] [blame] | 345 | out << "virtual bool isRemote() const "; |
| 346 | if (!isIBase()) { |
| 347 | out << "override "; |
| 348 | } |
| 349 | out << "{ return false; }\n\n"; |
Steven Moreland | d732ea1 | 2016-11-08 17:12:06 -0800 | [diff] [blame] | 350 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 351 | for (const auto &method : iface->methods()) { |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 352 | out << "\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 353 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 354 | const bool returnsValue = !method->results().empty(); |
Steven Moreland | d732ea1 | 2016-11-08 17:12:06 -0800 | [diff] [blame] | 355 | const TypedVar *elidedReturn = method->canElideCallback(); |
| 356 | |
| 357 | if (elidedReturn == nullptr && returnsValue) { |
| 358 | out << "using " |
| 359 | << method->name() |
| 360 | << "_cb = std::function<void(" |
| 361 | << Method::GetArgSignature(method->results(), |
| 362 | true /* specify namespaces */) |
| 363 | << ")>;\n"; |
| 364 | } |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 365 | |
Andreas Huber | 3599d92 | 2016-08-09 10:42:57 -0700 | [diff] [blame] | 366 | method->dumpAnnotations(out); |
| 367 | |
Iliyan Malchev | 40d474a | 2016-08-16 06:20:17 -0700 | [diff] [blame] | 368 | if (elidedReturn) { |
Iliyan Malchev | 2b6591b | 2016-08-18 19:15:19 -0700 | [diff] [blame] | 369 | out << "virtual ::android::hardware::Return<"; |
Yifan Hong | 3b320f8 | 2016-11-01 15:15:54 -0700 | [diff] [blame] | 370 | out << elidedReturn->type().getCppResultType() << "> "; |
Iliyan Malchev | 40d474a | 2016-08-16 06:20:17 -0700 | [diff] [blame] | 371 | } else { |
Iliyan Malchev | d57066f | 2016-09-08 13:59:38 -0700 | [diff] [blame] | 372 | out << "virtual ::android::hardware::Return<void> "; |
Iliyan Malchev | 40d474a | 2016-08-16 06:20:17 -0700 | [diff] [blame] | 373 | } |
| 374 | |
| 375 | out << method->name() |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 376 | << "(" |
Steven Moreland | 979e099 | 2016-09-07 09:18:08 -0700 | [diff] [blame] | 377 | << Method::GetArgSignature(method->args(), |
| 378 | true /* specify namespaces */); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 379 | |
Iliyan Malchev | 40d474a | 2016-08-16 06:20:17 -0700 | [diff] [blame] | 380 | if (returnsValue && elidedReturn == nullptr) { |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 381 | if (!method->args().empty()) { |
| 382 | out << ", "; |
| 383 | } |
| 384 | |
Steven Moreland | 67f67b4 | 2016-09-29 08:59:02 -0700 | [diff] [blame] | 385 | out << method->name() << "_cb _hidl_cb"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 386 | } |
| 387 | |
Yifan Hong | 10fe0b5 | 2016-10-19 14:20:17 -0700 | [diff] [blame] | 388 | out << ")"; |
| 389 | if (method->isHidlReserved()) { |
Yifan Hong | c893404 | 2016-11-17 17:10:52 -0800 | [diff] [blame] | 390 | if (!isIBase()) { |
| 391 | out << " override"; |
| 392 | } |
Yifan Hong | 10fe0b5 | 2016-10-19 14:20:17 -0700 | [diff] [blame] | 393 | out << " {\n"; |
| 394 | out.indent(); |
| 395 | method->cppImpl(out); |
| 396 | out.unindent(); |
| 397 | out << "\n}\n"; |
| 398 | } else { |
| 399 | out << " = 0;\n"; |
| 400 | } |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 401 | } |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 402 | |
Yifan Hong | 3d74609 | 2016-12-07 14:26:33 -0800 | [diff] [blame] | 403 | out << "// cast static functions\n"; |
| 404 | std::string childTypeResult = iface->getCppResultType(); |
Yifan Hong | fe95aa2 | 2016-10-19 17:26:45 -0700 | [diff] [blame] | 405 | |
Yifan Hong | 3d74609 | 2016-12-07 14:26:33 -0800 | [diff] [blame] | 406 | for (const Interface *superType : iface->typeChain()) { |
| 407 | out << "static " |
| 408 | << childTypeResult |
| 409 | << " castFrom(" |
| 410 | << superType->getCppArgumentType() |
| 411 | << " parent" |
| 412 | << ");\n"; |
Yifan Hong | fe95aa2 | 2016-10-19 17:26:45 -0700 | [diff] [blame] | 413 | } |
| 414 | |
Steven Moreland | d39133b | 2016-11-11 12:30:08 -0800 | [diff] [blame] | 415 | out << "\nstatic const char* descriptor;\n\n"; |
Yifan Hong | 10fe0b5 | 2016-10-19 14:20:17 -0700 | [diff] [blame] | 416 | |
Yifan Hong | c893404 | 2016-11-17 17:10:52 -0800 | [diff] [blame] | 417 | if (isIBase()) { |
Yifan Hong | 83c8e5f | 2016-12-13 14:33:53 -0800 | [diff] [blame^] | 418 | out << "// skipped getService, registerAsService, registerForNotifications\n\n"; |
Yifan Hong | c893404 | 2016-11-17 17:10:52 -0800 | [diff] [blame] | 419 | } else { |
Yifan Hong | 83c8e5f | 2016-12-13 14:33:53 -0800 | [diff] [blame^] | 420 | declareServiceManagerInteractions(out, baseName); |
Yifan Hong | c893404 | 2016-11-17 17:10:52 -0800 | [diff] [blame] | 421 | } |
Yifan Hong | 158655a | 2016-11-08 12:34:07 -0800 | [diff] [blame] | 422 | |
| 423 | out << "private: static int hidlStaticBlock;\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 424 | } |
| 425 | |
| 426 | if (isInterface) { |
| 427 | out.unindent(); |
| 428 | |
Andreas Huber | e3f769a | 2016-10-10 10:54:44 -0700 | [diff] [blame] | 429 | out << "};\n\n"; |
| 430 | } |
| 431 | |
| 432 | err = mRootScope->emitGlobalTypeDeclarations(out); |
| 433 | |
| 434 | if (err != OK) { |
| 435 | return err; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 436 | } |
| 437 | |
| 438 | out << "\n"; |
| 439 | enterLeaveNamespace(out, false /* enter */); |
| 440 | |
| 441 | out << "\n#endif // " << guard << "\n"; |
| 442 | |
| 443 | return OK; |
| 444 | } |
| 445 | |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 446 | status_t AST::generateHwBinderHeader(const std::string &outputPath) const { |
| 447 | std::string ifaceName; |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 448 | bool isInterface = AST::isInterface(&ifaceName); |
| 449 | const Interface *iface = nullptr; |
| 450 | std::string baseName{}; |
| 451 | std::string klassName{}; |
| 452 | |
| 453 | if(isInterface) { |
| 454 | iface = mRootScope->getInterface(); |
| 455 | baseName = iface->getBaseName(); |
| 456 | klassName = "IHw" + baseName; |
| 457 | } else { |
| 458 | klassName = "hwtypes"; |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 459 | } |
| 460 | |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 461 | std::string path = outputPath; |
| 462 | path.append(mCoordinator->convertPackageRootToPath(mPackage)); |
| 463 | path.append(mCoordinator->getPackagePath(mPackage, true /* relative */)); |
| 464 | path.append(klassName + ".h"); |
| 465 | |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 466 | FILE *file = fopen(path.c_str(), "w"); |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 467 | |
| 468 | if (file == NULL) { |
| 469 | return -errno; |
| 470 | } |
| 471 | |
| 472 | Formatter out(file); |
| 473 | |
| 474 | const std::string guard = makeHeaderGuard(klassName); |
| 475 | |
| 476 | out << "#ifndef " << guard << "\n"; |
| 477 | out << "#define " << guard << "\n\n"; |
| 478 | |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 479 | if (isInterface) { |
| 480 | generateCppPackageInclude(out, mPackage, ifaceName); |
| 481 | } else { |
| 482 | generateCppPackageInclude(out, mPackage, "types"); |
| 483 | } |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 484 | |
Steven Moreland | ee88eed | 2016-10-31 17:49:00 -0700 | [diff] [blame] | 485 | out << "\n"; |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 486 | |
| 487 | for (const auto &item : mImportedNames) { |
| 488 | if (item.name() == "types") { |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 489 | generateCppPackageInclude(out, item, "hwtypes"); |
| 490 | } else { |
| 491 | generateCppPackageInclude(out, item, "Bn" + item.getInterfaceBaseName()); |
Martijn Coenen | a63e0ad | 2016-12-07 17:29:00 +0100 | [diff] [blame] | 492 | generateCppPackageInclude(out, item, "Bp" + item.getInterfaceBaseName()); |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 493 | } |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 494 | } |
| 495 | |
| 496 | out << "\n"; |
| 497 | |
Martijn Coenen | 9391510 | 2016-09-01 01:35:52 +0200 | [diff] [blame] | 498 | out << "#include <hidl/Status.h>\n"; |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 499 | out << "#include <hwbinder/IBinder.h>\n"; |
Martijn Coenen | 6ec2f0b | 2016-12-11 01:04:55 +0100 | [diff] [blame] | 500 | out << "#include <hwbinder/Parcel.h>\n"; |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 501 | |
| 502 | out << "\n"; |
| 503 | |
| 504 | enterLeaveNamespace(out, true /* enter */); |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 505 | |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 506 | status_t err = mRootScope->emitGlobalHwDeclarations(out); |
| 507 | if (err != OK) { |
| 508 | return err; |
| 509 | } |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 510 | |
| 511 | enterLeaveNamespace(out, false /* enter */); |
| 512 | |
| 513 | out << "\n#endif // " << guard << "\n"; |
| 514 | |
| 515 | return OK; |
| 516 | } |
| 517 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 518 | status_t AST::emitTypeDeclarations(Formatter &out) const { |
| 519 | return mRootScope->emitTypeDeclarations(out); |
| 520 | } |
| 521 | |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 522 | status_t AST::generatePassthroughMethod(Formatter &out, |
Yifan Hong | 068c552 | 2016-10-31 14:07:25 -0700 | [diff] [blame] | 523 | const Method *method) const { |
| 524 | method->generateCppSignature(out); |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 525 | |
| 526 | out << " {\n"; |
| 527 | out.indent(); |
| 528 | |
| 529 | const bool returnsValue = !method->results().empty(); |
| 530 | const TypedVar *elidedReturn = method->canElideCallback(); |
| 531 | |
Steven Moreland | 67f67b4 | 2016-09-29 08:59:02 -0700 | [diff] [blame] | 532 | if (returnsValue && elidedReturn == nullptr) { |
| 533 | generateCheckNonNull(out, "_hidl_cb"); |
| 534 | } |
| 535 | |
Steven Moreland | 9b1cbdf | 2016-11-01 12:23:27 -0700 | [diff] [blame] | 536 | generateCppInstrumentationCall( |
| 537 | out, |
| 538 | InstrumentationEvent::PASSTHROUGH_ENTRY, |
| 539 | method); |
| 540 | |
| 541 | out << "auto _hidl_return = "; |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 542 | |
| 543 | if (method->isOneway()) { |
| 544 | out << "addOnewayTask([this"; |
| 545 | for (const auto &arg : method->args()) { |
| 546 | out << ", " << arg->name(); |
| 547 | } |
Steven Moreland | 9b1cbdf | 2016-11-01 12:23:27 -0700 | [diff] [blame] | 548 | out << "] {\n"; |
| 549 | out.indent(); |
| 550 | out << "this->"; |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 551 | } |
| 552 | |
| 553 | out << "mImpl->" |
| 554 | << method->name() |
| 555 | << "("; |
| 556 | |
| 557 | bool first = true; |
| 558 | for (const auto &arg : method->args()) { |
| 559 | if (!first) { |
| 560 | out << ", "; |
| 561 | } |
| 562 | first = false; |
| 563 | out << arg->name(); |
| 564 | } |
| 565 | if (returnsValue && elidedReturn == nullptr) { |
| 566 | if (!method->args().empty()) { |
| 567 | out << ", "; |
| 568 | } |
Zhuoyao Zhang | 085a8c3 | 2016-11-17 15:35:49 -0800 | [diff] [blame] | 569 | out << "[&]("; |
| 570 | first = true; |
| 571 | for (const auto &arg : method->results()) { |
| 572 | if (!first) { |
| 573 | out << ", "; |
| 574 | } |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 575 | |
Yifan Hong | a47eef3 | 2016-12-12 10:38:54 -0800 | [diff] [blame] | 576 | out << "const auto &_hidl_out_" << arg->name(); |
Zhuoyao Zhang | 085a8c3 | 2016-11-17 15:35:49 -0800 | [diff] [blame] | 577 | |
| 578 | first = false; |
| 579 | } |
| 580 | |
| 581 | out << ") {\n"; |
| 582 | out.indent(); |
| 583 | status_t status = generateCppInstrumentationCall( |
| 584 | out, |
| 585 | InstrumentationEvent::PASSTHROUGH_EXIT, |
| 586 | method); |
| 587 | if (status != OK) { |
| 588 | return status; |
| 589 | } |
| 590 | |
| 591 | out << "_hidl_cb("; |
| 592 | first = true; |
| 593 | for (const auto &arg : method->results()) { |
| 594 | if (!first) { |
| 595 | out << ", "; |
| 596 | } |
| 597 | |
Yifan Hong | a47eef3 | 2016-12-12 10:38:54 -0800 | [diff] [blame] | 598 | out << "_hidl_out_" << arg->name(); |
Zhuoyao Zhang | 085a8c3 | 2016-11-17 15:35:49 -0800 | [diff] [blame] | 599 | |
| 600 | first = false; |
| 601 | } |
| 602 | out << ");\n"; |
| 603 | out.unindent(); |
| 604 | out << "});\n\n"; |
| 605 | } else { |
| 606 | out << ");\n\n"; |
| 607 | if (elidedReturn != nullptr) { |
| 608 | out << elidedReturn->type().getCppResultType() |
Yifan Hong | a47eef3 | 2016-12-12 10:38:54 -0800 | [diff] [blame] | 609 | << " _hidl_out_" |
Zhuoyao Zhang | 085a8c3 | 2016-11-17 15:35:49 -0800 | [diff] [blame] | 610 | << elidedReturn->name() |
Steven Moreland | 2ae5bca | 2016-12-01 05:56:49 +0000 | [diff] [blame] | 611 | << " = _hidl_return;\n"; |
Zhuoyao Zhang | 085a8c3 | 2016-11-17 15:35:49 -0800 | [diff] [blame] | 612 | } |
| 613 | status_t status = generateCppInstrumentationCall( |
| 614 | out, |
| 615 | InstrumentationEvent::PASSTHROUGH_EXIT, |
| 616 | method); |
| 617 | if (status != OK) { |
| 618 | return status; |
| 619 | } |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 620 | } |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 621 | |
| 622 | if (method->isOneway()) { |
Steven Moreland | 9b1cbdf | 2016-11-01 12:23:27 -0700 | [diff] [blame] | 623 | out.unindent(); |
| 624 | out << "});\n"; |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 625 | } |
Steven Moreland | 9b1cbdf | 2016-11-01 12:23:27 -0700 | [diff] [blame] | 626 | |
| 627 | out << "return _hidl_return;\n"; |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 628 | |
| 629 | out.unindent(); |
| 630 | out << "}\n"; |
| 631 | |
| 632 | return OK; |
| 633 | } |
| 634 | |
Yifan Hong | 068c552 | 2016-10-31 14:07:25 -0700 | [diff] [blame] | 635 | status_t AST::generateMethods(Formatter &out, MethodGenerator gen) const { |
Steven Moreland | a7a421a | 2016-09-07 08:35:18 -0700 | [diff] [blame] | 636 | |
Iliyan Malchev | 62c3d18 | 2016-08-16 20:33:39 -0700 | [diff] [blame] | 637 | const Interface *iface = mRootScope->getInterface(); |
| 638 | |
Yifan Hong | 10fe0b5 | 2016-10-19 14:20:17 -0700 | [diff] [blame] | 639 | const Interface *prevIterface = nullptr; |
| 640 | for (const auto &tuple : iface->allMethodsFromRoot()) { |
| 641 | const Method *method = tuple.method(); |
| 642 | const Interface *superInterface = tuple.interface(); |
Iliyan Malchev | 62c3d18 | 2016-08-16 20:33:39 -0700 | [diff] [blame] | 643 | |
Yifan Hong | 10fe0b5 | 2016-10-19 14:20:17 -0700 | [diff] [blame] | 644 | if(prevIterface != superInterface) { |
| 645 | if (prevIterface != nullptr) { |
| 646 | out << "\n"; |
| 647 | } |
| 648 | out << "// Methods from " |
| 649 | << superInterface->fullName() |
| 650 | << " follow.\n"; |
| 651 | prevIterface = superInterface; |
| 652 | } |
Yifan Hong | 068c552 | 2016-10-31 14:07:25 -0700 | [diff] [blame] | 653 | status_t err = gen(method, superInterface); |
Iliyan Malchev | 62c3d18 | 2016-08-16 20:33:39 -0700 | [diff] [blame] | 654 | |
Yifan Hong | 10fe0b5 | 2016-10-19 14:20:17 -0700 | [diff] [blame] | 655 | if (err != OK) { |
| 656 | return err; |
| 657 | } |
Iliyan Malchev | 62c3d18 | 2016-08-16 20:33:39 -0700 | [diff] [blame] | 658 | } |
| 659 | |
Yifan Hong | 10fe0b5 | 2016-10-19 14:20:17 -0700 | [diff] [blame] | 660 | out << "\n"; |
| 661 | |
Iliyan Malchev | 62c3d18 | 2016-08-16 20:33:39 -0700 | [diff] [blame] | 662 | return OK; |
| 663 | } |
| 664 | |
Andreas Huber | b82318c | 2016-08-02 14:45:54 -0700 | [diff] [blame] | 665 | status_t AST::generateStubHeader(const std::string &outputPath) const { |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 666 | std::string ifaceName; |
| 667 | if (!AST::isInterface(&ifaceName)) { |
| 668 | // types.hal does not get a stub header. |
| 669 | return OK; |
| 670 | } |
| 671 | |
Jayant Chowdhary | 3f32c1f | 2016-09-15 16:53:56 -0700 | [diff] [blame] | 672 | const Interface *iface = mRootScope->getInterface(); |
| 673 | const std::string baseName = iface->getBaseName(); |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 674 | const std::string klassName = "Bn" + baseName; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 675 | |
Andreas Huber | b82318c | 2016-08-02 14:45:54 -0700 | [diff] [blame] | 676 | std::string path = outputPath; |
Andreas Huber | d2943e1 | 2016-08-05 11:59:31 -0700 | [diff] [blame] | 677 | path.append(mCoordinator->convertPackageRootToPath(mPackage)); |
Andreas Huber | dca261f | 2016-08-04 13:47:51 -0700 | [diff] [blame] | 678 | path.append(mCoordinator->getPackagePath(mPackage, true /* relative */)); |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 679 | path.append(klassName); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 680 | path.append(".h"); |
| 681 | |
Andreas Huber | d2943e1 | 2016-08-05 11:59:31 -0700 | [diff] [blame] | 682 | CHECK(Coordinator::MakeParentHierarchy(path)); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 683 | FILE *file = fopen(path.c_str(), "w"); |
| 684 | |
| 685 | if (file == NULL) { |
| 686 | return -errno; |
| 687 | } |
| 688 | |
| 689 | Formatter out(file); |
| 690 | |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 691 | const std::string guard = makeHeaderGuard(klassName); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 692 | |
| 693 | out << "#ifndef " << guard << "\n"; |
| 694 | out << "#define " << guard << "\n\n"; |
| 695 | |
Steven Moreland | ee88eed | 2016-10-31 17:49:00 -0700 | [diff] [blame] | 696 | generateCppPackageInclude(out, mPackage, "IHw" + baseName); |
| 697 | out << "\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 698 | |
| 699 | enterLeaveNamespace(out, true /* enter */); |
| 700 | out << "\n"; |
| 701 | |
| 702 | out << "struct " |
| 703 | << "Bn" |
Martijn Coenen | 6ec2f0b | 2016-12-11 01:04:55 +0100 | [diff] [blame] | 704 | << baseName; |
| 705 | if (iface->isIBase()) { |
| 706 | out << " : public ::android::hardware::BBinder"; |
| 707 | out << ", public ::android::hardware::HidlInstrumentor {\n"; |
| 708 | } else { |
| 709 | out << " : public ::android::hidl::base::V1_0::BnBase {\n"; |
| 710 | } |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 711 | |
| 712 | out.indent(); |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 713 | out << "explicit Bn" |
| 714 | << baseName |
| 715 | << "(const ::android::sp<" << ifaceName << "> &_hidl_impl);" |
Martijn Coenen | 6ec2f0b | 2016-12-11 01:04:55 +0100 | [diff] [blame] | 716 | << "\n"; |
| 717 | out << "explicit Bn" |
| 718 | << baseName |
| 719 | << "(const ::android::sp<" << ifaceName << "> &_hidl_impl," |
| 720 | << " const std::string& prefix);" |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 721 | << "\n\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 722 | out << "::android::status_t onTransact(\n"; |
| 723 | out.indent(); |
| 724 | out.indent(); |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 725 | out << "uint32_t _hidl_code,\n"; |
| 726 | out << "const ::android::hardware::Parcel &_hidl_data,\n"; |
| 727 | out << "::android::hardware::Parcel *_hidl_reply,\n"; |
| 728 | out << "uint32_t _hidl_flags = 0,\n"; |
Iliyan Malchev | 62c3d18 | 2016-08-16 20:33:39 -0700 | [diff] [blame] | 729 | out << "TransactCallback _hidl_cb = nullptr) override;\n\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 730 | out.unindent(); |
| 731 | out.unindent(); |
| 732 | |
Martijn Coenen | 6ec2f0b | 2016-12-11 01:04:55 +0100 | [diff] [blame] | 733 | out << "::android::sp<" << ifaceName << "> getImpl() { return _hidl_mImpl; };\n"; |
| 734 | out.unindent(); |
| 735 | out << "private:\n"; |
| 736 | out.indent(); |
| 737 | out << "::android::sp<" << ifaceName << "> _hidl_mImpl;\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 738 | out.unindent(); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 739 | out << "};\n\n"; |
| 740 | |
| 741 | enterLeaveNamespace(out, false /* enter */); |
| 742 | |
| 743 | out << "\n#endif // " << guard << "\n"; |
| 744 | |
| 745 | return OK; |
| 746 | } |
| 747 | |
Andreas Huber | b82318c | 2016-08-02 14:45:54 -0700 | [diff] [blame] | 748 | status_t AST::generateProxyHeader(const std::string &outputPath) const { |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 749 | std::string ifaceName; |
| 750 | if (!AST::isInterface(&ifaceName)) { |
| 751 | // types.hal does not get a proxy header. |
| 752 | return OK; |
| 753 | } |
| 754 | |
Jayant Chowdhary | 3f32c1f | 2016-09-15 16:53:56 -0700 | [diff] [blame] | 755 | const Interface *iface = mRootScope->getInterface(); |
| 756 | const std::string baseName = iface->getBaseName(); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 757 | |
Andreas Huber | b82318c | 2016-08-02 14:45:54 -0700 | [diff] [blame] | 758 | std::string path = outputPath; |
Andreas Huber | d2943e1 | 2016-08-05 11:59:31 -0700 | [diff] [blame] | 759 | path.append(mCoordinator->convertPackageRootToPath(mPackage)); |
Andreas Huber | dca261f | 2016-08-04 13:47:51 -0700 | [diff] [blame] | 760 | path.append(mCoordinator->getPackagePath(mPackage, true /* relative */)); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 761 | path.append("Bp"); |
| 762 | path.append(baseName); |
| 763 | path.append(".h"); |
| 764 | |
Andreas Huber | d2943e1 | 2016-08-05 11:59:31 -0700 | [diff] [blame] | 765 | CHECK(Coordinator::MakeParentHierarchy(path)); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 766 | FILE *file = fopen(path.c_str(), "w"); |
| 767 | |
| 768 | if (file == NULL) { |
| 769 | return -errno; |
| 770 | } |
| 771 | |
| 772 | Formatter out(file); |
| 773 | |
| 774 | const std::string guard = makeHeaderGuard("Bp" + baseName); |
| 775 | |
| 776 | out << "#ifndef " << guard << "\n"; |
| 777 | out << "#define " << guard << "\n\n"; |
| 778 | |
| 779 | std::vector<std::string> packageComponents; |
| 780 | getPackageAndVersionComponents( |
| 781 | &packageComponents, false /* cpp_compatible */); |
| 782 | |
Steven Moreland | ee88eed | 2016-10-31 17:49:00 -0700 | [diff] [blame] | 783 | generateCppPackageInclude(out, mPackage, "IHw" + baseName); |
| 784 | out << "\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 785 | |
| 786 | enterLeaveNamespace(out, true /* enter */); |
| 787 | out << "\n"; |
| 788 | |
| 789 | out << "struct " |
| 790 | << "Bp" |
| 791 | << baseName |
Martijn Coenen | a63e0ad | 2016-12-07 17:29:00 +0100 | [diff] [blame] | 792 | << " : public ::android::hardware::BpInterface<I" |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 793 | << baseName |
Zhuoyao Zhang | 964f72f | 2016-10-21 11:12:03 -0700 | [diff] [blame] | 794 | << ">, public ::android::hardware::HidlInstrumentor {\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 795 | |
| 796 | out.indent(); |
| 797 | |
| 798 | out << "explicit Bp" |
| 799 | << baseName |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 800 | << "(const ::android::sp<::android::hardware::IBinder> &_hidl_impl);" |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 801 | << "\n\n"; |
| 802 | |
Yifan Hong | 10fe0b5 | 2016-10-19 14:20:17 -0700 | [diff] [blame] | 803 | out << "virtual bool isRemote() const override { return true; }\n\n"; |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 804 | |
Yifan Hong | 068c552 | 2016-10-31 14:07:25 -0700 | [diff] [blame] | 805 | status_t err = generateMethods(out, [&](const Method *method, const Interface *) { |
| 806 | method->generateCppSignature(out); |
| 807 | out << " override;\n"; |
| 808 | return OK; |
| 809 | }); |
Steven Moreland | 9c38761 | 2016-09-07 09:54:26 -0700 | [diff] [blame] | 810 | |
| 811 | if (err != OK) { |
| 812 | return err; |
| 813 | } |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 814 | |
| 815 | out.unindent(); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 816 | out << "};\n\n"; |
| 817 | |
| 818 | enterLeaveNamespace(out, false /* enter */); |
| 819 | |
| 820 | out << "\n#endif // " << guard << "\n"; |
| 821 | |
| 822 | return OK; |
| 823 | } |
| 824 | |
Andreas Huber | b82318c | 2016-08-02 14:45:54 -0700 | [diff] [blame] | 825 | status_t AST::generateAllSource(const std::string &outputPath) const { |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 826 | |
Andreas Huber | b82318c | 2016-08-02 14:45:54 -0700 | [diff] [blame] | 827 | std::string path = outputPath; |
Andreas Huber | d2943e1 | 2016-08-05 11:59:31 -0700 | [diff] [blame] | 828 | path.append(mCoordinator->convertPackageRootToPath(mPackage)); |
Andreas Huber | dca261f | 2016-08-04 13:47:51 -0700 | [diff] [blame] | 829 | path.append(mCoordinator->getPackagePath(mPackage, true /* relative */)); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 830 | |
| 831 | std::string ifaceName; |
| 832 | std::string baseName; |
| 833 | |
Yifan Hong | fe95aa2 | 2016-10-19 17:26:45 -0700 | [diff] [blame] | 834 | const Interface *iface = nullptr; |
| 835 | bool isInterface; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 836 | if (!AST::isInterface(&ifaceName)) { |
| 837 | baseName = "types"; |
| 838 | isInterface = false; |
| 839 | } else { |
Yifan Hong | fe95aa2 | 2016-10-19 17:26:45 -0700 | [diff] [blame] | 840 | iface = mRootScope->getInterface(); |
Jayant Chowdhary | 3f32c1f | 2016-09-15 16:53:56 -0700 | [diff] [blame] | 841 | baseName = iface->getBaseName(); |
Yifan Hong | fe95aa2 | 2016-10-19 17:26:45 -0700 | [diff] [blame] | 842 | isInterface = true; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 843 | } |
| 844 | |
| 845 | path.append(baseName); |
| 846 | |
| 847 | if (baseName != "types") { |
| 848 | path.append("All"); |
| 849 | } |
| 850 | |
| 851 | path.append(".cpp"); |
| 852 | |
Andreas Huber | d2943e1 | 2016-08-05 11:59:31 -0700 | [diff] [blame] | 853 | CHECK(Coordinator::MakeParentHierarchy(path)); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 854 | FILE *file = fopen(path.c_str(), "w"); |
| 855 | |
| 856 | if (file == NULL) { |
| 857 | return -errno; |
| 858 | } |
| 859 | |
| 860 | Formatter out(file); |
| 861 | |
Steven Moreland | 05cd423 | 2016-11-21 16:01:12 -0800 | [diff] [blame] | 862 | out << "#include <android/log.h>\n"; |
Martijn Coenen | 6ec2f0b | 2016-12-11 01:04:55 +0100 | [diff] [blame] | 863 | out << "#include <cutils/trace.h>\n"; |
| 864 | out << "#include <hidl/HidlTransportSupport.h>\n\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 865 | if (isInterface) { |
Steven Moreland | 19d5c17 | 2016-10-20 19:20:25 -0700 | [diff] [blame] | 866 | // This is a no-op for IServiceManager itself. |
| 867 | out << "#include <android/hidl/manager/1.0/IServiceManager.h>\n"; |
| 868 | |
Steven Moreland | ee88eed | 2016-10-31 17:49:00 -0700 | [diff] [blame] | 869 | generateCppPackageInclude(out, mPackage, "Bp" + baseName); |
| 870 | generateCppPackageInclude(out, mPackage, "Bn" + baseName); |
| 871 | generateCppPackageInclude(out, mPackage, "Bs" + baseName); |
Yifan Hong | fe95aa2 | 2016-10-19 17:26:45 -0700 | [diff] [blame] | 872 | |
| 873 | for (const Interface *superType : iface->superTypeChain()) { |
Steven Moreland | ee88eed | 2016-10-31 17:49:00 -0700 | [diff] [blame] | 874 | generateCppPackageInclude(out, |
| 875 | superType->fqName(), |
| 876 | "Bp" + superType->getBaseName()); |
Yifan Hong | fe95aa2 | 2016-10-19 17:26:45 -0700 | [diff] [blame] | 877 | } |
Yifan Hong | 2cbbdf9 | 2016-12-05 15:20:50 -0800 | [diff] [blame] | 878 | |
| 879 | out << "#include <hidl/ServiceManagement.h>\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 880 | } else { |
Steven Moreland | ee88eed | 2016-10-31 17:49:00 -0700 | [diff] [blame] | 881 | generateCppPackageInclude(out, mPackage, "types"); |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 882 | generateCppPackageInclude(out, mPackage, "hwtypes"); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 883 | } |
| 884 | |
| 885 | out << "\n"; |
| 886 | |
| 887 | enterLeaveNamespace(out, true /* enter */); |
| 888 | out << "\n"; |
| 889 | |
| 890 | status_t err = generateTypeSource(out, ifaceName); |
| 891 | |
| 892 | if (err == OK && isInterface) { |
Yifan Hong | 10fe0b5 | 2016-10-19 14:20:17 -0700 | [diff] [blame] | 893 | const Interface *iface = mRootScope->getInterface(); |
Steven Moreland | 19d5c17 | 2016-10-20 19:20:25 -0700 | [diff] [blame] | 894 | out << "constexpr ::android::hardware::hidl_version " |
| 895 | << ifaceName |
| 896 | << "::version;\n\n"; |
Yifan Hong | 10fe0b5 | 2016-10-19 14:20:17 -0700 | [diff] [blame] | 897 | |
| 898 | // need to be put here, generateStubSource is using this. |
Steven Moreland | d39133b | 2016-11-11 12:30:08 -0800 | [diff] [blame] | 899 | out << "const char* I" |
Yifan Hong | 10fe0b5 | 2016-10-19 14:20:17 -0700 | [diff] [blame] | 900 | << iface->getBaseName() |
| 901 | << "::descriptor(\"" |
| 902 | << iface->fqName().string() |
| 903 | << "\");\n\n"; |
| 904 | |
Yifan Hong | 158655a | 2016-11-08 12:34:07 -0800 | [diff] [blame] | 905 | out << "int I" |
| 906 | << iface->getBaseName() |
| 907 | << "::hidlStaticBlock = []() -> int {\n"; |
Yifan Hong | 33223ca | 2016-12-13 15:07:35 -0800 | [diff] [blame] | 908 | out.indent([&] { |
Steven Moreland | d39133b | 2016-11-11 12:30:08 -0800 | [diff] [blame] | 909 | out << "::android::hardware::gBnConstructorMap[I" |
Yifan Hong | 158655a | 2016-11-08 12:34:07 -0800 | [diff] [blame] | 910 | << iface->getBaseName() |
Steven Moreland | d39133b | 2016-11-11 12:30:08 -0800 | [diff] [blame] | 911 | << "::descriptor]\n"; |
Yifan Hong | 33223ca | 2016-12-13 15:07:35 -0800 | [diff] [blame] | 912 | out.indent(2, [&] { |
Yifan Hong | 158655a | 2016-11-08 12:34:07 -0800 | [diff] [blame] | 913 | out << "= [](void *iIntf) -> ::android::sp<::android::hardware::IBinder> {\n"; |
Yifan Hong | 33223ca | 2016-12-13 15:07:35 -0800 | [diff] [blame] | 914 | out.indent([&] { |
Yifan Hong | 158655a | 2016-11-08 12:34:07 -0800 | [diff] [blame] | 915 | out << "return new Bn" |
| 916 | << iface->getBaseName() |
| 917 | << "(reinterpret_cast<I" |
| 918 | << iface->getBaseName() |
| 919 | << " *>(iIntf));\n"; |
| 920 | }); |
| 921 | out << "};\n"; |
| 922 | }); |
| 923 | out << "return 1;\n"; |
| 924 | }); |
| 925 | out << "}();\n\n"; |
| 926 | |
Yifan Hong | fe95aa2 | 2016-10-19 17:26:45 -0700 | [diff] [blame] | 927 | err = generateInterfaceSource(out); |
| 928 | } |
| 929 | |
| 930 | if (err == OK && isInterface) { |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 931 | err = generateProxySource(out, baseName); |
| 932 | } |
| 933 | |
| 934 | if (err == OK && isInterface) { |
Martijn Coenen | 6ec2f0b | 2016-12-11 01:04:55 +0100 | [diff] [blame] | 935 | err = generateStubSource(out, iface, baseName); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 936 | } |
| 937 | |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 938 | if (err == OK && isInterface) { |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 939 | err = generatePassthroughSource(out); |
| 940 | } |
| 941 | |
| 942 | if (err == OK && isInterface) { |
Steven Moreland | 9c38761 | 2016-09-07 09:54:26 -0700 | [diff] [blame] | 943 | const Interface *iface = mRootScope->getInterface(); |
| 944 | |
Yifan Hong | c893404 | 2016-11-17 17:10:52 -0800 | [diff] [blame] | 945 | if (isIBase()) { |
Yifan Hong | 83c8e5f | 2016-12-13 14:33:53 -0800 | [diff] [blame^] | 946 | out << "// skipped getService, registerAsService, registerForNotifications\n"; |
Yifan Hong | c893404 | 2016-11-17 17:10:52 -0800 | [diff] [blame] | 947 | } else { |
Yifan Hong | 83c8e5f | 2016-12-13 14:33:53 -0800 | [diff] [blame^] | 948 | std::string package = iface->fqName().package() |
| 949 | + iface->fqName().atVersion(); |
| 950 | |
| 951 | implementServiceManagerInteractions(out, baseName, package); |
Yifan Hong | c893404 | 2016-11-17 17:10:52 -0800 | [diff] [blame] | 952 | } |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 953 | } |
| 954 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 955 | enterLeaveNamespace(out, false /* enter */); |
| 956 | |
| 957 | return err; |
| 958 | } |
| 959 | |
Steven Moreland | 67f67b4 | 2016-09-29 08:59:02 -0700 | [diff] [blame] | 960 | // static |
| 961 | void AST::generateCheckNonNull(Formatter &out, const std::string &nonNull) { |
Yifan Hong | a018ed5 | 2016-12-13 16:35:08 -0800 | [diff] [blame] | 962 | out.sIf(nonNull + " == nullptr", [&] { |
| 963 | out << "return ::android::hardware::Status::fromExceptionCode(\n"; |
| 964 | out.indent(2, [&] { |
| 965 | out << "::android::hardware::Status::EX_ILLEGAL_ARGUMENT);\n"; |
| 966 | }); |
| 967 | }).endl().endl(); |
Steven Moreland | 67f67b4 | 2016-09-29 08:59:02 -0700 | [diff] [blame] | 968 | } |
| 969 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 970 | status_t AST::generateTypeSource( |
| 971 | Formatter &out, const std::string &ifaceName) const { |
| 972 | return mRootScope->emitTypeDefinitions(out, ifaceName); |
| 973 | } |
| 974 | |
Andreas Huber | e7ff228 | 2016-08-16 13:50:03 -0700 | [diff] [blame] | 975 | void AST::declareCppReaderLocals( |
Andreas Huber | 5e44a29 | 2016-09-27 14:52:39 -0700 | [diff] [blame] | 976 | Formatter &out, |
| 977 | const std::vector<TypedVar *> &args, |
| 978 | bool forResults) const { |
Andreas Huber | e7ff228 | 2016-08-16 13:50:03 -0700 | [diff] [blame] | 979 | if (args.empty()) { |
| 980 | return; |
| 981 | } |
| 982 | |
| 983 | for (const auto &arg : args) { |
| 984 | const Type &type = arg->type(); |
| 985 | |
Yifan Hong | 3b320f8 | 2016-11-01 15:15:54 -0700 | [diff] [blame] | 986 | out << type.getCppResultType() |
Andreas Huber | e7ff228 | 2016-08-16 13:50:03 -0700 | [diff] [blame] | 987 | << " " |
Yifan Hong | 3b320f8 | 2016-11-01 15:15:54 -0700 | [diff] [blame] | 988 | << (forResults ? "_hidl_out_" : "") + arg->name() |
Andreas Huber | e7ff228 | 2016-08-16 13:50:03 -0700 | [diff] [blame] | 989 | << ";\n"; |
| 990 | } |
| 991 | |
| 992 | out << "\n"; |
| 993 | } |
| 994 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 995 | void AST::emitCppReaderWriter( |
| 996 | Formatter &out, |
| 997 | const std::string &parcelObj, |
| 998 | bool parcelObjIsPointer, |
| 999 | const TypedVar *arg, |
| 1000 | bool isReader, |
Andreas Huber | 5e44a29 | 2016-09-27 14:52:39 -0700 | [diff] [blame] | 1001 | Type::ErrorMode mode, |
| 1002 | bool addPrefixToName) const { |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1003 | const Type &type = arg->type(); |
| 1004 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1005 | type.emitReaderWriter( |
| 1006 | out, |
Andreas Huber | 5e44a29 | 2016-09-27 14:52:39 -0700 | [diff] [blame] | 1007 | addPrefixToName ? ("_hidl_out_" + arg->name()) : arg->name(), |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1008 | parcelObj, |
| 1009 | parcelObjIsPointer, |
| 1010 | isReader, |
| 1011 | mode); |
| 1012 | } |
| 1013 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 1014 | void AST::emitCppResolveReferences( |
| 1015 | Formatter &out, |
| 1016 | const std::string &parcelObj, |
| 1017 | bool parcelObjIsPointer, |
| 1018 | const TypedVar *arg, |
| 1019 | bool isReader, |
| 1020 | Type::ErrorMode mode, |
| 1021 | bool addPrefixToName) const { |
| 1022 | const Type &type = arg->type(); |
| 1023 | if(type.needsResolveReferences()) { |
| 1024 | type.emitResolveReferences( |
| 1025 | out, |
| 1026 | addPrefixToName ? ("_hidl_out_" + arg->name()) : arg->name(), |
| 1027 | isReader, // nameIsPointer |
| 1028 | parcelObj, |
| 1029 | parcelObjIsPointer, |
| 1030 | isReader, |
| 1031 | mode); |
| 1032 | } |
| 1033 | } |
| 1034 | |
Yifan Hong | 068c552 | 2016-10-31 14:07:25 -0700 | [diff] [blame] | 1035 | status_t AST::generateProxyMethodSource(Formatter &out, |
| 1036 | const std::string &klassName, |
| 1037 | const Method *method, |
| 1038 | const Interface *superInterface) const { |
| 1039 | |
| 1040 | method->generateCppSignature(out, |
| 1041 | klassName, |
| 1042 | true /* specify namespaces */); |
| 1043 | |
| 1044 | const bool returnsValue = !method->results().empty(); |
| 1045 | const TypedVar *elidedReturn = method->canElideCallback(); |
| 1046 | |
Steven Moreland | 41c6d2e | 2016-11-07 12:26:54 -0800 | [diff] [blame] | 1047 | out << " {\n"; |
Yifan Hong | 068c552 | 2016-10-31 14:07:25 -0700 | [diff] [blame] | 1048 | |
| 1049 | out.indent(); |
| 1050 | |
| 1051 | if (returnsValue && elidedReturn == nullptr) { |
| 1052 | generateCheckNonNull(out, "_hidl_cb"); |
| 1053 | } |
| 1054 | |
| 1055 | status_t status = generateCppInstrumentationCall( |
| 1056 | out, |
| 1057 | InstrumentationEvent::CLIENT_API_ENTRY, |
Yifan Hong | 068c552 | 2016-10-31 14:07:25 -0700 | [diff] [blame] | 1058 | method); |
| 1059 | if (status != OK) { |
| 1060 | return status; |
| 1061 | } |
| 1062 | |
| 1063 | out << "::android::hardware::Parcel _hidl_data;\n"; |
| 1064 | out << "::android::hardware::Parcel _hidl_reply;\n"; |
| 1065 | out << "::android::status_t _hidl_err;\n"; |
| 1066 | out << "::android::hardware::Status _hidl_status;\n\n"; |
| 1067 | |
| 1068 | declareCppReaderLocals( |
| 1069 | out, method->results(), true /* forResults */); |
| 1070 | |
| 1071 | out << "_hidl_err = _hidl_data.writeInterfaceToken("; |
Yifan Hong | c893404 | 2016-11-17 17:10:52 -0800 | [diff] [blame] | 1072 | out << superInterface->fqName().cppNamespace() |
| 1073 | << "::I" |
| 1074 | << superInterface->getBaseName(); |
Yifan Hong | 068c552 | 2016-10-31 14:07:25 -0700 | [diff] [blame] | 1075 | out << "::descriptor);\n"; |
Yifan Hong | 068c552 | 2016-10-31 14:07:25 -0700 | [diff] [blame] | 1076 | out << "if (_hidl_err != ::android::OK) { goto _hidl_error; }\n\n"; |
| 1077 | |
| 1078 | // First DFS: write all buffers and resolve pointers for parent |
| 1079 | for (const auto &arg : method->args()) { |
| 1080 | emitCppReaderWriter( |
| 1081 | out, |
| 1082 | "_hidl_data", |
| 1083 | false /* parcelObjIsPointer */, |
| 1084 | arg, |
| 1085 | false /* reader */, |
| 1086 | Type::ErrorMode_Goto, |
| 1087 | false /* addPrefixToName */); |
| 1088 | } |
| 1089 | |
| 1090 | // Second DFS: resolve references. |
| 1091 | for (const auto &arg : method->args()) { |
| 1092 | emitCppResolveReferences( |
| 1093 | out, |
| 1094 | "_hidl_data", |
| 1095 | false /* parcelObjIsPointer */, |
| 1096 | arg, |
| 1097 | false /* reader */, |
| 1098 | Type::ErrorMode_Goto, |
| 1099 | false /* addPrefixToName */); |
| 1100 | } |
| 1101 | |
| 1102 | out << "_hidl_err = remote()->transact(" |
| 1103 | << method->getSerialId() |
| 1104 | << " /* " |
| 1105 | << method->name() |
| 1106 | << " */, _hidl_data, &_hidl_reply"; |
| 1107 | |
| 1108 | if (method->isOneway()) { |
| 1109 | out << ", ::android::hardware::IBinder::FLAG_ONEWAY"; |
| 1110 | } |
| 1111 | out << ");\n"; |
| 1112 | |
| 1113 | out << "if (_hidl_err != ::android::OK) { goto _hidl_error; }\n\n"; |
| 1114 | |
| 1115 | if (!method->isOneway()) { |
Yifan Hong | 859e53f | 2016-11-14 19:08:24 -0800 | [diff] [blame] | 1116 | out << "_hidl_err = ::android::hardware::readFromParcel(&_hidl_status, _hidl_reply);\n"; |
Yifan Hong | 068c552 | 2016-10-31 14:07:25 -0700 | [diff] [blame] | 1117 | out << "if (_hidl_err != ::android::OK) { goto _hidl_error; }\n\n"; |
| 1118 | out << "if (!_hidl_status.isOk()) { return _hidl_status; }\n\n"; |
| 1119 | |
| 1120 | |
| 1121 | // First DFS: write all buffers and resolve pointers for parent |
| 1122 | for (const auto &arg : method->results()) { |
| 1123 | emitCppReaderWriter( |
| 1124 | out, |
| 1125 | "_hidl_reply", |
| 1126 | false /* parcelObjIsPointer */, |
| 1127 | arg, |
| 1128 | true /* reader */, |
| 1129 | Type::ErrorMode_Goto, |
| 1130 | true /* addPrefixToName */); |
| 1131 | } |
| 1132 | |
| 1133 | // Second DFS: resolve references. |
| 1134 | for (const auto &arg : method->results()) { |
| 1135 | emitCppResolveReferences( |
| 1136 | out, |
| 1137 | "_hidl_reply", |
| 1138 | false /* parcelObjIsPointer */, |
| 1139 | arg, |
| 1140 | true /* reader */, |
| 1141 | Type::ErrorMode_Goto, |
| 1142 | true /* addPrefixToName */); |
| 1143 | } |
| 1144 | |
| 1145 | if (returnsValue && elidedReturn == nullptr) { |
| 1146 | out << "_hidl_cb("; |
| 1147 | |
| 1148 | bool first = true; |
| 1149 | for (const auto &arg : method->results()) { |
| 1150 | if (!first) { |
| 1151 | out << ", "; |
| 1152 | } |
| 1153 | |
| 1154 | if (arg->type().resultNeedsDeref()) { |
| 1155 | out << "*"; |
| 1156 | } |
| 1157 | out << "_hidl_out_" << arg->name(); |
| 1158 | |
| 1159 | first = false; |
| 1160 | } |
| 1161 | |
| 1162 | out << ");\n\n"; |
| 1163 | } |
Martijn Coenen | 7b29524 | 2016-11-04 16:52:56 +0100 | [diff] [blame] | 1164 | } |
| 1165 | status = generateCppInstrumentationCall( |
| 1166 | out, |
| 1167 | InstrumentationEvent::CLIENT_API_EXIT, |
| 1168 | method); |
| 1169 | if (status != OK) { |
| 1170 | return status; |
Yifan Hong | 068c552 | 2016-10-31 14:07:25 -0700 | [diff] [blame] | 1171 | } |
| 1172 | |
| 1173 | if (elidedReturn != nullptr) { |
Yifan Hong | 068c552 | 2016-10-31 14:07:25 -0700 | [diff] [blame] | 1174 | out << "_hidl_status.setFromStatusT(_hidl_err);\n"; |
| 1175 | out << "return ::android::hardware::Return<"; |
Yifan Hong | 3b320f8 | 2016-11-01 15:15:54 -0700 | [diff] [blame] | 1176 | out << elidedReturn->type().getCppResultType() |
Yifan Hong | 068c552 | 2016-10-31 14:07:25 -0700 | [diff] [blame] | 1177 | << ">(_hidl_out_" << elidedReturn->name() << ");\n\n"; |
| 1178 | } else { |
| 1179 | out << "_hidl_status.setFromStatusT(_hidl_err);\n"; |
| 1180 | out << "return ::android::hardware::Return<void>();\n\n"; |
| 1181 | } |
| 1182 | |
| 1183 | out.unindent(); |
| 1184 | out << "_hidl_error:\n"; |
| 1185 | out.indent(); |
| 1186 | out << "_hidl_status.setFromStatusT(_hidl_err);\n"; |
| 1187 | out << "return ::android::hardware::Return<"; |
| 1188 | if (elidedReturn != nullptr) { |
Yifan Hong | 3b320f8 | 2016-11-01 15:15:54 -0700 | [diff] [blame] | 1189 | out << method->results().at(0)->type().getCppResultType(); |
Yifan Hong | 068c552 | 2016-10-31 14:07:25 -0700 | [diff] [blame] | 1190 | } else { |
| 1191 | out << "void"; |
| 1192 | } |
| 1193 | out << ">(_hidl_status);\n"; |
| 1194 | |
| 1195 | out.unindent(); |
| 1196 | out << "}\n\n"; |
| 1197 | return OK; |
| 1198 | } |
| 1199 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1200 | status_t AST::generateProxySource( |
| 1201 | Formatter &out, const std::string &baseName) const { |
| 1202 | const std::string klassName = "Bp" + baseName; |
| 1203 | |
| 1204 | out << klassName |
| 1205 | << "::" |
| 1206 | << klassName |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 1207 | << "(const ::android::sp<::android::hardware::IBinder> &_hidl_impl)\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1208 | |
| 1209 | out.indent(); |
| 1210 | out.indent(); |
| 1211 | |
| 1212 | out << ": BpInterface" |
Martijn Coenen | a63e0ad | 2016-12-07 17:29:00 +0100 | [diff] [blame] | 1213 | << "<I" |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1214 | << baseName |
Zhuoyao Zhang | 964f72f | 2016-10-21 11:12:03 -0700 | [diff] [blame] | 1215 | << ">(_hidl_impl),\n" |
Steven Moreland | 19d5c17 | 2016-10-20 19:20:25 -0700 | [diff] [blame] | 1216 | << " ::android::hardware::HidlInstrumentor(\"" |
Zhuoyao Zhang | 964f72f | 2016-10-21 11:12:03 -0700 | [diff] [blame] | 1217 | << mPackage.string() |
| 1218 | << "::I" |
| 1219 | << baseName |
| 1220 | << "\") {\n"; |
Zhuoyao Zhang | 8f49294 | 2016-09-28 14:27:56 -0700 | [diff] [blame] | 1221 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1222 | out.unindent(); |
| 1223 | out.unindent(); |
| 1224 | out << "}\n\n"; |
| 1225 | |
Yifan Hong | 068c552 | 2016-10-31 14:07:25 -0700 | [diff] [blame] | 1226 | status_t err = generateMethods(out, [&](const Method *method, const Interface *superInterface) { |
| 1227 | return generateProxyMethodSource(out, klassName, method, superInterface); |
| 1228 | }); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1229 | |
Yifan Hong | 068c552 | 2016-10-31 14:07:25 -0700 | [diff] [blame] | 1230 | return err; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1231 | } |
| 1232 | |
| 1233 | status_t AST::generateStubSource( |
Martijn Coenen | 6ec2f0b | 2016-12-11 01:04:55 +0100 | [diff] [blame] | 1234 | Formatter &out, |
| 1235 | const Interface *iface, |
| 1236 | const std::string &baseName) const { |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1237 | const std::string klassName = "Bn" + baseName; |
| 1238 | |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 1239 | out << klassName |
| 1240 | << "::" |
| 1241 | << klassName |
| 1242 | << "(const ::android::sp<I" << baseName <<"> &_hidl_impl)\n"; |
| 1243 | |
| 1244 | out.indent(); |
| 1245 | out.indent(); |
| 1246 | |
Martijn Coenen | 6ec2f0b | 2016-12-11 01:04:55 +0100 | [diff] [blame] | 1247 | if (iface->isIBase()) { |
| 1248 | out << ": ::android::hardware::HidlInstrumentor(\""; |
| 1249 | } else { |
| 1250 | out << ": ::android::hidl::base::V1_0::BnBase(_hidl_impl, \""; |
| 1251 | } |
| 1252 | |
| 1253 | out << mPackage.string() |
Zhuoyao Zhang | 964f72f | 2016-10-21 11:12:03 -0700 | [diff] [blame] | 1254 | << "::I" |
| 1255 | << baseName |
Martijn Coenen | 6ec2f0b | 2016-12-11 01:04:55 +0100 | [diff] [blame] | 1256 | << "\") { \n"; |
| 1257 | out.indent(); |
| 1258 | out << "_hidl_mImpl = _hidl_impl;\n"; |
| 1259 | out.unindent(); |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 1260 | |
| 1261 | out.unindent(); |
| 1262 | out.unindent(); |
| 1263 | out << "}\n\n"; |
| 1264 | |
Martijn Coenen | 6ec2f0b | 2016-12-11 01:04:55 +0100 | [diff] [blame] | 1265 | if (iface->isIBase()) { |
| 1266 | // BnBase has a constructor to initialize the HidlInstrumentor |
| 1267 | // class properly. |
| 1268 | out << klassName |
| 1269 | << "::" |
| 1270 | << klassName |
| 1271 | << "(const ::android::sp<I" << baseName <<"> &_hidl_impl," |
| 1272 | << " const std::string &prefix)\n"; |
| 1273 | |
| 1274 | out.indent(); |
| 1275 | out.indent(); |
| 1276 | |
| 1277 | out << ": ::android::hardware::HidlInstrumentor(prefix) { \n"; |
| 1278 | out.indent(); |
| 1279 | out << "_hidl_mImpl = _hidl_impl;\n"; |
| 1280 | out.unindent(); |
| 1281 | |
| 1282 | out.unindent(); |
| 1283 | out.unindent(); |
| 1284 | out << "}\n\n"; |
| 1285 | } |
| 1286 | |
| 1287 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1288 | out << "::android::status_t " << klassName << "::onTransact(\n"; |
| 1289 | |
| 1290 | out.indent(); |
| 1291 | out.indent(); |
| 1292 | |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 1293 | out << "uint32_t _hidl_code,\n" |
| 1294 | << "const ::android::hardware::Parcel &_hidl_data,\n" |
| 1295 | << "::android::hardware::Parcel *_hidl_reply,\n" |
| 1296 | << "uint32_t _hidl_flags,\n" |
| 1297 | << "TransactCallback _hidl_cb) {\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1298 | |
| 1299 | out.unindent(); |
| 1300 | |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 1301 | out << "::android::status_t _hidl_err = ::android::OK;\n\n"; |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 1302 | out << "switch (_hidl_code) {\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1303 | out.indent(); |
| 1304 | |
Yifan Hong | 10fe0b5 | 2016-10-19 14:20:17 -0700 | [diff] [blame] | 1305 | for (const auto &tuple : iface->allMethodsFromRoot()) { |
| 1306 | const Method *method = tuple.method(); |
| 1307 | const Interface *superInterface = tuple.interface(); |
| 1308 | out << "case " |
| 1309 | << method->getSerialId() |
| 1310 | << " /* " |
| 1311 | << method->name() |
| 1312 | << " */:\n{\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1313 | |
Yifan Hong | 10fe0b5 | 2016-10-19 14:20:17 -0700 | [diff] [blame] | 1314 | out.indent(); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1315 | |
Yifan Hong | 10fe0b5 | 2016-10-19 14:20:17 -0700 | [diff] [blame] | 1316 | status_t err = |
| 1317 | generateStubSourceForMethod(out, superInterface, method); |
Andreas Huber | 6cb08cf | 2016-08-03 15:44:51 -0700 | [diff] [blame] | 1318 | |
Yifan Hong | 10fe0b5 | 2016-10-19 14:20:17 -0700 | [diff] [blame] | 1319 | if (err != OK) { |
| 1320 | return err; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1321 | } |
Yifan Hong | 10fe0b5 | 2016-10-19 14:20:17 -0700 | [diff] [blame] | 1322 | |
| 1323 | out.unindent(); |
| 1324 | out << "}\n\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1325 | } |
| 1326 | |
| 1327 | out << "default:\n{\n"; |
| 1328 | out.indent(); |
| 1329 | |
Martijn Coenen | 6ec2f0b | 2016-12-11 01:04:55 +0100 | [diff] [blame] | 1330 | out << "return onTransact(\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1331 | |
| 1332 | out.indent(); |
| 1333 | out.indent(); |
| 1334 | |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 1335 | out << "_hidl_code, _hidl_data, _hidl_reply, " |
| 1336 | << "_hidl_flags, _hidl_cb);\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1337 | |
| 1338 | out.unindent(); |
| 1339 | out.unindent(); |
| 1340 | |
| 1341 | out.unindent(); |
| 1342 | out << "}\n"; |
| 1343 | |
| 1344 | out.unindent(); |
| 1345 | out << "}\n\n"; |
| 1346 | |
Yifan Hong | a018ed5 | 2016-12-13 16:35:08 -0800 | [diff] [blame] | 1347 | out.sIf("_hidl_err == ::android::UNEXPECTED_NULL", [&] { |
| 1348 | out << "_hidl_err = ::android::hardware::writeToParcel(\n"; |
| 1349 | out.indent(2, [&] { |
| 1350 | out << "::android::hardware::Status::fromExceptionCode(::android::hardware::Status::EX_NULL_POINTER),\n"; |
| 1351 | out << "_hidl_reply);\n"; |
| 1352 | }); |
| 1353 | }); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1354 | |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 1355 | out << "return _hidl_err;\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1356 | |
| 1357 | out.unindent(); |
| 1358 | out << "}\n\n"; |
| 1359 | |
| 1360 | return OK; |
| 1361 | } |
| 1362 | |
| 1363 | status_t AST::generateStubSourceForMethod( |
Andreas Huber | 6cb08cf | 2016-08-03 15:44:51 -0700 | [diff] [blame] | 1364 | Formatter &out, const Interface *iface, const Method *method) const { |
Yifan Hong | 10fe0b5 | 2016-10-19 14:20:17 -0700 | [diff] [blame] | 1365 | out << "if (!_hidl_data.enforceInterface("; |
| 1366 | |
Yifan Hong | c893404 | 2016-11-17 17:10:52 -0800 | [diff] [blame] | 1367 | out << iface->fqName().cppNamespace() |
| 1368 | << "::I" |
| 1369 | << iface->getBaseName(); |
Yifan Hong | 10fe0b5 | 2016-10-19 14:20:17 -0700 | [diff] [blame] | 1370 | |
| 1371 | out << "::descriptor)) {\n"; |
Andreas Huber | 6cb08cf | 2016-08-03 15:44:51 -0700 | [diff] [blame] | 1372 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1373 | out.indent(); |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 1374 | out << "_hidl_err = ::android::BAD_TYPE;\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1375 | out << "break;\n"; |
| 1376 | out.unindent(); |
| 1377 | out << "}\n\n"; |
| 1378 | |
Andreas Huber | 5e44a29 | 2016-09-27 14:52:39 -0700 | [diff] [blame] | 1379 | declareCppReaderLocals(out, method->args(), false /* forResults */); |
Andreas Huber | e7ff228 | 2016-08-16 13:50:03 -0700 | [diff] [blame] | 1380 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 1381 | // First DFS: write buffers |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1382 | for (const auto &arg : method->args()) { |
| 1383 | emitCppReaderWriter( |
| 1384 | out, |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 1385 | "_hidl_data", |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1386 | false /* parcelObjIsPointer */, |
| 1387 | arg, |
| 1388 | true /* reader */, |
Andreas Huber | 5e44a29 | 2016-09-27 14:52:39 -0700 | [diff] [blame] | 1389 | Type::ErrorMode_Break, |
| 1390 | false /* addPrefixToName */); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1391 | } |
| 1392 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 1393 | // Second DFS: resolve references |
| 1394 | for (const auto &arg : method->args()) { |
| 1395 | emitCppResolveReferences( |
| 1396 | out, |
| 1397 | "_hidl_data", |
| 1398 | false /* parcelObjIsPointer */, |
| 1399 | arg, |
| 1400 | true /* reader */, |
| 1401 | Type::ErrorMode_Break, |
| 1402 | false /* addPrefixToName */); |
| 1403 | } |
| 1404 | |
Zhuoyao Zhang | 8f49294 | 2016-09-28 14:27:56 -0700 | [diff] [blame] | 1405 | status_t status = generateCppInstrumentationCall( |
| 1406 | out, |
| 1407 | InstrumentationEvent::SERVER_API_ENTRY, |
Zhuoyao Zhang | 8f49294 | 2016-09-28 14:27:56 -0700 | [diff] [blame] | 1408 | method); |
| 1409 | if (status != OK) { |
| 1410 | return status; |
Zhuoyao Zhang | de57800 | 2016-09-07 18:24:17 -0700 | [diff] [blame] | 1411 | } |
| 1412 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1413 | const bool returnsValue = !method->results().empty(); |
Iliyan Malchev | 40d474a | 2016-08-16 06:20:17 -0700 | [diff] [blame] | 1414 | const TypedVar *elidedReturn = method->canElideCallback(); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1415 | |
Iliyan Malchev | 40d474a | 2016-08-16 06:20:17 -0700 | [diff] [blame] | 1416 | if (elidedReturn != nullptr) { |
Yifan Hong | 3b320f8 | 2016-11-01 15:15:54 -0700 | [diff] [blame] | 1417 | out << elidedReturn->type().getCppResultType() |
Yifan Hong | a47eef3 | 2016-12-12 10:38:54 -0800 | [diff] [blame] | 1418 | << " _hidl_out_" |
Yifan Hong | 3b320f8 | 2016-11-01 15:15:54 -0700 | [diff] [blame] | 1419 | << elidedReturn->name() |
Martijn Coenen | 6ec2f0b | 2016-12-11 01:04:55 +0100 | [diff] [blame] | 1420 | << " = " |
| 1421 | << "_hidl_mImpl->" << method->name() |
Yifan Hong | 3b320f8 | 2016-11-01 15:15:54 -0700 | [diff] [blame] | 1422 | << "("; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1423 | |
Iliyan Malchev | 40d474a | 2016-08-16 06:20:17 -0700 | [diff] [blame] | 1424 | bool first = true; |
| 1425 | for (const auto &arg : method->args()) { |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1426 | if (!first) { |
| 1427 | out << ", "; |
| 1428 | } |
| 1429 | |
Iliyan Malchev | 40d474a | 2016-08-16 06:20:17 -0700 | [diff] [blame] | 1430 | if (arg->type().resultNeedsDeref()) { |
| 1431 | out << "*"; |
| 1432 | } |
| 1433 | |
| 1434 | out << arg->name(); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1435 | |
| 1436 | first = false; |
| 1437 | } |
| 1438 | |
Steven Moreland | 2ae5bca | 2016-12-01 05:56:49 +0000 | [diff] [blame] | 1439 | out << ");\n\n"; |
Yifan Hong | 859e53f | 2016-11-14 19:08:24 -0800 | [diff] [blame] | 1440 | out << "::android::hardware::writeToParcel(::android::hardware::Status::ok(), " |
| 1441 | << "_hidl_reply);\n\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1442 | |
Iliyan Malchev | 40d474a | 2016-08-16 06:20:17 -0700 | [diff] [blame] | 1443 | elidedReturn->type().emitReaderWriter( |
| 1444 | out, |
Yifan Hong | a47eef3 | 2016-12-12 10:38:54 -0800 | [diff] [blame] | 1445 | "_hidl_out_" + elidedReturn->name(), |
Iliyan Malchev | 40d474a | 2016-08-16 06:20:17 -0700 | [diff] [blame] | 1446 | "_hidl_reply", |
| 1447 | true, /* parcelObjIsPointer */ |
| 1448 | false, /* isReader */ |
| 1449 | Type::ErrorMode_Ignore); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1450 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 1451 | emitCppResolveReferences( |
| 1452 | out, |
| 1453 | "_hidl_reply", |
| 1454 | true /* parcelObjIsPointer */, |
| 1455 | elidedReturn, |
| 1456 | false /* reader */, |
| 1457 | Type::ErrorMode_Ignore, |
Yifan Hong | a47eef3 | 2016-12-12 10:38:54 -0800 | [diff] [blame] | 1458 | true /* addPrefixToName */); |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 1459 | |
Zhuoyao Zhang | 8f49294 | 2016-09-28 14:27:56 -0700 | [diff] [blame] | 1460 | status_t status = generateCppInstrumentationCall( |
| 1461 | out, |
| 1462 | InstrumentationEvent::SERVER_API_EXIT, |
Zhuoyao Zhang | 8f49294 | 2016-09-28 14:27:56 -0700 | [diff] [blame] | 1463 | method); |
| 1464 | if (status != OK) { |
| 1465 | return status; |
| 1466 | } |
Zhuoyao Zhang | de57800 | 2016-09-07 18:24:17 -0700 | [diff] [blame] | 1467 | |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 1468 | out << "_hidl_cb(*_hidl_reply);\n"; |
Iliyan Malchev | 40d474a | 2016-08-16 06:20:17 -0700 | [diff] [blame] | 1469 | } else { |
| 1470 | if (returnsValue) { |
| 1471 | out << "bool _hidl_callbackCalled = false;\n\n"; |
| 1472 | } |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1473 | |
Martijn Coenen | 6ec2f0b | 2016-12-11 01:04:55 +0100 | [diff] [blame] | 1474 | out << "_hidl_mImpl->" << method->name() << "("; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1475 | |
Iliyan Malchev | 40d474a | 2016-08-16 06:20:17 -0700 | [diff] [blame] | 1476 | bool first = true; |
| 1477 | for (const auto &arg : method->args()) { |
| 1478 | if (!first) { |
| 1479 | out << ", "; |
| 1480 | } |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1481 | |
Iliyan Malchev | 40d474a | 2016-08-16 06:20:17 -0700 | [diff] [blame] | 1482 | if (arg->type().resultNeedsDeref()) { |
| 1483 | out << "*"; |
| 1484 | } |
| 1485 | |
| 1486 | out << arg->name(); |
| 1487 | |
| 1488 | first = false; |
| 1489 | } |
| 1490 | |
| 1491 | if (returnsValue) { |
| 1492 | if (!first) { |
| 1493 | out << ", "; |
| 1494 | } |
| 1495 | |
| 1496 | out << "[&]("; |
| 1497 | |
| 1498 | first = true; |
| 1499 | for (const auto &arg : method->results()) { |
| 1500 | if (!first) { |
| 1501 | out << ", "; |
| 1502 | } |
| 1503 | |
Yifan Hong | a47eef3 | 2016-12-12 10:38:54 -0800 | [diff] [blame] | 1504 | out << "const auto &_hidl_out_" << arg->name(); |
Iliyan Malchev | 40d474a | 2016-08-16 06:20:17 -0700 | [diff] [blame] | 1505 | |
| 1506 | first = false; |
| 1507 | } |
| 1508 | |
| 1509 | out << ") {\n"; |
| 1510 | out.indent(); |
Steven Moreland | 05cd423 | 2016-11-21 16:01:12 -0800 | [diff] [blame] | 1511 | out << "if (_hidl_callbackCalled) {\n"; |
| 1512 | out.indent(); |
| 1513 | out << "LOG_ALWAYS_FATAL(\"" |
| 1514 | << method->name() |
| 1515 | << ": _hidl_cb called a second time, but must be called once.\");\n"; |
| 1516 | out.unindent(); |
| 1517 | out << "}\n"; |
Iliyan Malchev | 40d474a | 2016-08-16 06:20:17 -0700 | [diff] [blame] | 1518 | out << "_hidl_callbackCalled = true;\n\n"; |
| 1519 | |
Yifan Hong | 859e53f | 2016-11-14 19:08:24 -0800 | [diff] [blame] | 1520 | out << "::android::hardware::writeToParcel(::android::hardware::Status::ok(), " |
| 1521 | << "_hidl_reply);\n\n"; |
Iliyan Malchev | 40d474a | 2016-08-16 06:20:17 -0700 | [diff] [blame] | 1522 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 1523 | // First DFS: buffers |
Iliyan Malchev | 40d474a | 2016-08-16 06:20:17 -0700 | [diff] [blame] | 1524 | for (const auto &arg : method->results()) { |
| 1525 | emitCppReaderWriter( |
| 1526 | out, |
| 1527 | "_hidl_reply", |
| 1528 | true /* parcelObjIsPointer */, |
| 1529 | arg, |
| 1530 | false /* reader */, |
Andreas Huber | 5e44a29 | 2016-09-27 14:52:39 -0700 | [diff] [blame] | 1531 | Type::ErrorMode_Ignore, |
Yifan Hong | a47eef3 | 2016-12-12 10:38:54 -0800 | [diff] [blame] | 1532 | true /* addPrefixToName */); |
Iliyan Malchev | 40d474a | 2016-08-16 06:20:17 -0700 | [diff] [blame] | 1533 | } |
| 1534 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 1535 | // Second DFS: resolve references |
| 1536 | for (const auto &arg : method->results()) { |
| 1537 | emitCppResolveReferences( |
| 1538 | out, |
| 1539 | "_hidl_reply", |
| 1540 | true /* parcelObjIsPointer */, |
| 1541 | arg, |
| 1542 | false /* reader */, |
| 1543 | Type::ErrorMode_Ignore, |
Yifan Hong | a47eef3 | 2016-12-12 10:38:54 -0800 | [diff] [blame] | 1544 | true /* addPrefixToName */); |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 1545 | } |
| 1546 | |
Zhuoyao Zhang | 8f49294 | 2016-09-28 14:27:56 -0700 | [diff] [blame] | 1547 | status_t status = generateCppInstrumentationCall( |
| 1548 | out, |
| 1549 | InstrumentationEvent::SERVER_API_EXIT, |
Zhuoyao Zhang | 8f49294 | 2016-09-28 14:27:56 -0700 | [diff] [blame] | 1550 | method); |
| 1551 | if (status != OK) { |
| 1552 | return status; |
Zhuoyao Zhang | de57800 | 2016-09-07 18:24:17 -0700 | [diff] [blame] | 1553 | } |
| 1554 | |
Iliyan Malchev | 40d474a | 2016-08-16 06:20:17 -0700 | [diff] [blame] | 1555 | out << "_hidl_cb(*_hidl_reply);\n"; |
| 1556 | |
| 1557 | out.unindent(); |
| 1558 | out << "}\n"; |
| 1559 | } |
Iliyan Malchev | d57066f | 2016-09-08 13:59:38 -0700 | [diff] [blame] | 1560 | out << ");\n\n"; |
| 1561 | |
Iliyan Malchev | 40d474a | 2016-08-16 06:20:17 -0700 | [diff] [blame] | 1562 | if (returnsValue) { |
| 1563 | out << "if (!_hidl_callbackCalled) {\n"; |
| 1564 | out.indent(); |
Steven Moreland | 05cd423 | 2016-11-21 16:01:12 -0800 | [diff] [blame] | 1565 | out << "LOG_ALWAYS_FATAL(\"" |
| 1566 | << method->name() |
| 1567 | << ": _hidl_cb not called, but must be called once.\");\n"; |
Iliyan Malchev | 40d474a | 2016-08-16 06:20:17 -0700 | [diff] [blame] | 1568 | out.unindent(); |
| 1569 | out << "}\n\n"; |
Steven Moreland | 05cd423 | 2016-11-21 16:01:12 -0800 | [diff] [blame] | 1570 | } else { |
| 1571 | out << "::android::hardware::writeToParcel(" |
| 1572 | << "::android::hardware::Status::ok(), " |
| 1573 | << "_hidl_reply);\n\n"; |
Iliyan Malchev | 40d474a | 2016-08-16 06:20:17 -0700 | [diff] [blame] | 1574 | } |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1575 | } |
| 1576 | |
| 1577 | out << "break;\n"; |
| 1578 | |
| 1579 | return OK; |
| 1580 | } |
| 1581 | |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 1582 | status_t AST::generatePassthroughHeader(const std::string &outputPath) const { |
| 1583 | std::string ifaceName; |
| 1584 | if (!AST::isInterface(&ifaceName)) { |
| 1585 | // types.hal does not get a stub header. |
| 1586 | return OK; |
| 1587 | } |
| 1588 | |
| 1589 | const Interface *iface = mRootScope->getInterface(); |
| 1590 | |
| 1591 | const std::string baseName = iface->getBaseName(); |
| 1592 | const std::string klassName = "Bs" + baseName; |
| 1593 | |
| 1594 | bool supportOneway = iface->hasOnewayMethods(); |
| 1595 | |
| 1596 | std::string path = outputPath; |
| 1597 | path.append(mCoordinator->convertPackageRootToPath(mPackage)); |
| 1598 | path.append(mCoordinator->getPackagePath(mPackage, true /* relative */)); |
| 1599 | path.append(klassName); |
| 1600 | path.append(".h"); |
| 1601 | |
| 1602 | CHECK(Coordinator::MakeParentHierarchy(path)); |
| 1603 | FILE *file = fopen(path.c_str(), "w"); |
| 1604 | |
| 1605 | if (file == NULL) { |
| 1606 | return -errno; |
| 1607 | } |
| 1608 | |
| 1609 | Formatter out(file); |
| 1610 | |
| 1611 | const std::string guard = makeHeaderGuard(klassName); |
| 1612 | |
| 1613 | out << "#ifndef " << guard << "\n"; |
| 1614 | out << "#define " << guard << "\n\n"; |
| 1615 | |
| 1616 | std::vector<std::string> packageComponents; |
| 1617 | getPackageAndVersionComponents( |
| 1618 | &packageComponents, false /* cpp_compatible */); |
| 1619 | |
Yifan Hong | b094943 | 2016-12-15 15:32:24 -0800 | [diff] [blame] | 1620 | out << "#include <cutils/trace.h>\n"; |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 1621 | out << "#include <future>\n"; |
Steven Moreland | ee88eed | 2016-10-31 17:49:00 -0700 | [diff] [blame] | 1622 | |
| 1623 | generateCppPackageInclude(out, mPackage, ifaceName); |
| 1624 | out << "\n"; |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 1625 | |
| 1626 | if (supportOneway) { |
Yifan Hong | 2cbc147 | 2016-10-25 19:02:40 -0700 | [diff] [blame] | 1627 | out << "#include <hidl/TaskRunner.h>\n"; |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 1628 | } |
| 1629 | |
| 1630 | enterLeaveNamespace(out, true /* enter */); |
| 1631 | out << "\n"; |
| 1632 | |
| 1633 | out << "struct " |
| 1634 | << klassName |
| 1635 | << " : " << ifaceName |
Steven Moreland | 19d5c17 | 2016-10-20 19:20:25 -0700 | [diff] [blame] | 1636 | << ", ::android::hardware::HidlInstrumentor {\n"; |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 1637 | |
| 1638 | out.indent(); |
| 1639 | out << "explicit " |
| 1640 | << klassName |
Steven Moreland | c46e984 | 2016-11-02 13:21:26 -0700 | [diff] [blame] | 1641 | << "(const ::android::sp<" |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 1642 | << ifaceName |
| 1643 | << "> impl);\n"; |
| 1644 | |
Yifan Hong | 068c552 | 2016-10-31 14:07:25 -0700 | [diff] [blame] | 1645 | status_t err = generateMethods(out, [&](const Method *method, const Interface *) { |
| 1646 | return generatePassthroughMethod(out, method); |
| 1647 | }); |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 1648 | |
| 1649 | if (err != OK) { |
| 1650 | return err; |
| 1651 | } |
| 1652 | |
| 1653 | out.unindent(); |
| 1654 | out << "private:\n"; |
| 1655 | out.indent(); |
Steven Moreland | c46e984 | 2016-11-02 13:21:26 -0700 | [diff] [blame] | 1656 | out << "const ::android::sp<" << ifaceName << "> mImpl;\n"; |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 1657 | |
| 1658 | if (supportOneway) { |
Yifan Hong | 2cbc147 | 2016-10-25 19:02:40 -0700 | [diff] [blame] | 1659 | out << "::android::hardware::TaskRunner mOnewayQueue;\n"; |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 1660 | |
| 1661 | out << "\n"; |
| 1662 | |
| 1663 | out << "::android::hardware::Return<void> addOnewayTask(" |
| 1664 | "std::function<void(void)>);\n\n"; |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 1665 | } |
| 1666 | |
| 1667 | out.unindent(); |
| 1668 | |
| 1669 | out << "};\n\n"; |
| 1670 | |
| 1671 | enterLeaveNamespace(out, false /* enter */); |
| 1672 | |
| 1673 | out << "\n#endif // " << guard << "\n"; |
| 1674 | |
| 1675 | return OK; |
| 1676 | } |
| 1677 | |
Yifan Hong | fe95aa2 | 2016-10-19 17:26:45 -0700 | [diff] [blame] | 1678 | status_t AST::generateInterfaceSource(Formatter &out) const { |
| 1679 | const Interface *iface = mRootScope->getInterface(); |
| 1680 | |
Yifan Hong | 2d7126b | 2016-10-20 15:12:57 -0700 | [diff] [blame] | 1681 | // generate castFrom functions |
Yifan Hong | 3d74609 | 2016-12-07 14:26:33 -0800 | [diff] [blame] | 1682 | std::string childTypeResult = iface->getCppResultType(); |
Yifan Hong | fe95aa2 | 2016-10-19 17:26:45 -0700 | [diff] [blame] | 1683 | |
Yifan Hong | 3d74609 | 2016-12-07 14:26:33 -0800 | [diff] [blame] | 1684 | for (const Interface *superType : iface->typeChain()) { |
| 1685 | out << "// static \n" |
| 1686 | << childTypeResult |
| 1687 | << " I" |
| 1688 | << iface->getBaseName() |
| 1689 | << "::castFrom(" |
| 1690 | << superType->getCppArgumentType() |
| 1691 | << " parent) {\n"; |
| 1692 | out.indent(); |
| 1693 | if (iface == superType) { |
| 1694 | out << "return parent;\n"; |
| 1695 | } else { |
Yifan Hong | fe95aa2 | 2016-10-19 17:26:45 -0700 | [diff] [blame] | 1696 | out << "return ::android::hardware::castInterface<"; |
| 1697 | out << "I" << iface->getBaseName() << ", " |
| 1698 | << superType->fqName().cppName() << ", " |
Martijn Coenen | a63e0ad | 2016-12-07 17:29:00 +0100 | [diff] [blame] | 1699 | << iface->getProxyName().cppLocalName() << ", " |
| 1700 | << superType->getProxyName().cppName() |
Yifan Hong | fe95aa2 | 2016-10-19 17:26:45 -0700 | [diff] [blame] | 1701 | << ">(\n"; |
| 1702 | out.indent(); |
| 1703 | out.indent(); |
| 1704 | out << "parent, \"" |
| 1705 | << iface->fqName().string() |
| 1706 | << "\");\n"; |
| 1707 | out.unindent(); |
| 1708 | out.unindent(); |
Yifan Hong | fe95aa2 | 2016-10-19 17:26:45 -0700 | [diff] [blame] | 1709 | } |
Yifan Hong | 3d74609 | 2016-12-07 14:26:33 -0800 | [diff] [blame] | 1710 | out.unindent(); |
| 1711 | out << "}\n\n"; |
Yifan Hong | fe95aa2 | 2016-10-19 17:26:45 -0700 | [diff] [blame] | 1712 | } |
| 1713 | |
| 1714 | return OK; |
| 1715 | } |
| 1716 | |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 1717 | status_t AST::generatePassthroughSource(Formatter &out) const { |
| 1718 | const Interface *iface = mRootScope->getInterface(); |
| 1719 | |
| 1720 | const std::string baseName = iface->getBaseName(); |
| 1721 | const std::string klassName = "Bs" + baseName; |
| 1722 | |
| 1723 | out << klassName |
| 1724 | << "::" |
| 1725 | << klassName |
Steven Moreland | c46e984 | 2016-11-02 13:21:26 -0700 | [diff] [blame] | 1726 | << "(const ::android::sp<" |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 1727 | << iface->fullName() |
Steven Moreland | 19d5c17 | 2016-10-20 19:20:25 -0700 | [diff] [blame] | 1728 | << "> impl) : ::android::hardware::HidlInstrumentor(\"" |
Steven Moreland | 9b1cbdf | 2016-11-01 12:23:27 -0700 | [diff] [blame] | 1729 | << iface->fqName().string() |
| 1730 | << "\"), mImpl(impl) {"; |
Yifan Hong | 2cbc147 | 2016-10-25 19:02:40 -0700 | [diff] [blame] | 1731 | if (iface->hasOnewayMethods()) { |
| 1732 | out << "\n"; |
Yifan Hong | 33223ca | 2016-12-13 15:07:35 -0800 | [diff] [blame] | 1733 | out.indent([&] { |
Yifan Hong | 2cbc147 | 2016-10-25 19:02:40 -0700 | [diff] [blame] | 1734 | out << "mOnewayQueue.setLimit(3000 /* similar limit to binderized */);\n"; |
| 1735 | }); |
| 1736 | } |
| 1737 | out << "}\n\n"; |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 1738 | |
| 1739 | if (iface->hasOnewayMethods()) { |
| 1740 | out << "::android::hardware::Return<void> " |
| 1741 | << klassName |
| 1742 | << "::addOnewayTask(std::function<void(void)> fun) {\n"; |
| 1743 | out.indent(); |
Yifan Hong | 2cbc147 | 2016-10-25 19:02:40 -0700 | [diff] [blame] | 1744 | out << "if (!mOnewayQueue.push(fun)) {\n"; |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 1745 | out.indent(); |
Steven Moreland | 67f67b4 | 2016-09-29 08:59:02 -0700 | [diff] [blame] | 1746 | out << "return ::android::hardware::Status::fromExceptionCode(\n"; |
| 1747 | out.indent(); |
| 1748 | out.indent(); |
| 1749 | out << "::android::hardware::Status::EX_TRANSACTION_FAILED);\n"; |
| 1750 | out.unindent(); |
| 1751 | out.unindent(); |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 1752 | out.unindent(); |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 1753 | out << "}\n"; |
| 1754 | |
Steven Moreland | d366c26 | 2016-10-11 15:29:10 -0700 | [diff] [blame] | 1755 | out << "return ::android::hardware::Status();\n"; |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 1756 | |
| 1757 | out.unindent(); |
| 1758 | out << "}\n\n"; |
| 1759 | |
| 1760 | |
| 1761 | } |
| 1762 | |
| 1763 | return OK; |
| 1764 | } |
| 1765 | |
Martijn Coenen | 7b29524 | 2016-11-04 16:52:56 +0100 | [diff] [blame] | 1766 | status_t AST::generateCppAtraceCall(Formatter &out, |
| 1767 | InstrumentationEvent event, |
| 1768 | const Method *method) const { |
| 1769 | const Interface *iface = mRootScope->getInterface(); |
| 1770 | std::string baseString = "HIDL::I" + iface->getBaseName() + "::" + method->name(); |
| 1771 | switch (event) { |
| 1772 | case SERVER_API_ENTRY: |
| 1773 | { |
| 1774 | out << "atrace_begin(ATRACE_TAG_HAL, \"" |
| 1775 | << baseString + "::server\");\n"; |
| 1776 | break; |
| 1777 | } |
| 1778 | case CLIENT_API_ENTRY: |
| 1779 | { |
| 1780 | out << "atrace_begin(ATRACE_TAG_HAL, \"" |
| 1781 | << baseString + "::client\");\n"; |
| 1782 | break; |
| 1783 | } |
| 1784 | case PASSTHROUGH_ENTRY: |
| 1785 | { |
| 1786 | out << "atrace_begin(ATRACE_TAG_HAL, \"" |
| 1787 | << baseString + "::passthrough\");\n"; |
| 1788 | break; |
| 1789 | } |
| 1790 | case SERVER_API_EXIT: |
| 1791 | case CLIENT_API_EXIT: |
| 1792 | case PASSTHROUGH_EXIT: |
| 1793 | { |
| 1794 | out << "atrace_end(ATRACE_TAG_HAL);\n"; |
| 1795 | break; |
| 1796 | } |
| 1797 | default: |
| 1798 | { |
| 1799 | LOG(ERROR) << "Unsupported instrumentation event: " << event; |
| 1800 | return UNKNOWN_ERROR; |
| 1801 | } |
| 1802 | } |
| 1803 | |
| 1804 | return OK; |
| 1805 | } |
| 1806 | |
Zhuoyao Zhang | 8f49294 | 2016-09-28 14:27:56 -0700 | [diff] [blame] | 1807 | status_t AST::generateCppInstrumentationCall( |
| 1808 | Formatter &out, |
| 1809 | InstrumentationEvent event, |
Steven Moreland | 031ccf1 | 2016-10-31 15:54:38 -0700 | [diff] [blame] | 1810 | const Method *method) const { |
Martijn Coenen | 7b29524 | 2016-11-04 16:52:56 +0100 | [diff] [blame] | 1811 | status_t err = generateCppAtraceCall(out, event, method); |
| 1812 | if (err != OK) { |
| 1813 | return err; |
| 1814 | } |
| 1815 | |
Zhuoyao Zhang | 8f49294 | 2016-09-28 14:27:56 -0700 | [diff] [blame] | 1816 | out << "if (UNLIKELY(mEnableInstrumentation)) {\n"; |
| 1817 | out.indent(); |
Zhuoyao Zhang | 964f72f | 2016-10-21 11:12:03 -0700 | [diff] [blame] | 1818 | out << "std::vector<void *> _hidl_args;\n"; |
Zhuoyao Zhang | 8f49294 | 2016-09-28 14:27:56 -0700 | [diff] [blame] | 1819 | std::string event_str = ""; |
| 1820 | switch (event) { |
| 1821 | case SERVER_API_ENTRY: |
| 1822 | { |
| 1823 | event_str = "InstrumentationEvent::SERVER_API_ENTRY"; |
| 1824 | for (const auto &arg : method->args()) { |
Zhuoyao Zhang | 964f72f | 2016-10-21 11:12:03 -0700 | [diff] [blame] | 1825 | out << "_hidl_args.push_back((void *)" |
Zhuoyao Zhang | 8f49294 | 2016-09-28 14:27:56 -0700 | [diff] [blame] | 1826 | << (arg->type().resultNeedsDeref() ? "" : "&") |
| 1827 | << arg->name() |
| 1828 | << ");\n"; |
| 1829 | } |
| 1830 | break; |
| 1831 | } |
| 1832 | case SERVER_API_EXIT: |
| 1833 | { |
| 1834 | event_str = "InstrumentationEvent::SERVER_API_EXIT"; |
Steven Moreland | 031ccf1 | 2016-10-31 15:54:38 -0700 | [diff] [blame] | 1835 | for (const auto &arg : method->results()) { |
Yifan Hong | a47eef3 | 2016-12-12 10:38:54 -0800 | [diff] [blame] | 1836 | out << "_hidl_args.push_back((void *)&_hidl_out_" |
Steven Moreland | 031ccf1 | 2016-10-31 15:54:38 -0700 | [diff] [blame] | 1837 | << arg->name() |
Zhuoyao Zhang | 8f49294 | 2016-09-28 14:27:56 -0700 | [diff] [blame] | 1838 | << ");\n"; |
Zhuoyao Zhang | 8f49294 | 2016-09-28 14:27:56 -0700 | [diff] [blame] | 1839 | } |
| 1840 | break; |
| 1841 | } |
| 1842 | case CLIENT_API_ENTRY: |
| 1843 | { |
| 1844 | event_str = "InstrumentationEvent::CLIENT_API_ENTRY"; |
| 1845 | for (const auto &arg : method->args()) { |
Zhuoyao Zhang | 964f72f | 2016-10-21 11:12:03 -0700 | [diff] [blame] | 1846 | out << "_hidl_args.push_back((void *)&" |
| 1847 | << arg->name() |
| 1848 | << ");\n"; |
Zhuoyao Zhang | 8f49294 | 2016-09-28 14:27:56 -0700 | [diff] [blame] | 1849 | } |
| 1850 | break; |
| 1851 | } |
| 1852 | case CLIENT_API_EXIT: |
| 1853 | { |
| 1854 | event_str = "InstrumentationEvent::CLIENT_API_EXIT"; |
| 1855 | for (const auto &arg : method->results()) { |
Zhuoyao Zhang | 964f72f | 2016-10-21 11:12:03 -0700 | [diff] [blame] | 1856 | out << "_hidl_args.push_back((void *)" |
Zhuoyao Zhang | 8f49294 | 2016-09-28 14:27:56 -0700 | [diff] [blame] | 1857 | << (arg->type().resultNeedsDeref() ? "" : "&") |
Zhuoyao Zhang | 964f72f | 2016-10-21 11:12:03 -0700 | [diff] [blame] | 1858 | << "_hidl_out_" |
| 1859 | << arg->name() |
Zhuoyao Zhang | 8f49294 | 2016-09-28 14:27:56 -0700 | [diff] [blame] | 1860 | << ");\n"; |
| 1861 | } |
| 1862 | break; |
| 1863 | } |
Steven Moreland | 9b1cbdf | 2016-11-01 12:23:27 -0700 | [diff] [blame] | 1864 | case PASSTHROUGH_ENTRY: |
| 1865 | { |
| 1866 | event_str = "InstrumentationEvent::PASSTHROUGH_ENTRY"; |
| 1867 | for (const auto &arg : method->args()) { |
| 1868 | out << "_hidl_args.push_back((void *)&" |
| 1869 | << arg->name() |
| 1870 | << ");\n"; |
| 1871 | } |
| 1872 | break; |
| 1873 | } |
| 1874 | case PASSTHROUGH_EXIT: |
| 1875 | { |
| 1876 | event_str = "InstrumentationEvent::PASSTHROUGH_EXIT"; |
Zhuoyao Zhang | 085a8c3 | 2016-11-17 15:35:49 -0800 | [diff] [blame] | 1877 | for (const auto &arg : method->results()) { |
Yifan Hong | a47eef3 | 2016-12-12 10:38:54 -0800 | [diff] [blame] | 1878 | out << "_hidl_args.push_back((void *)&_hidl_out_" |
Zhuoyao Zhang | 085a8c3 | 2016-11-17 15:35:49 -0800 | [diff] [blame] | 1879 | << arg->name() |
| 1880 | << ");\n"; |
| 1881 | } |
Steven Moreland | 9b1cbdf | 2016-11-01 12:23:27 -0700 | [diff] [blame] | 1882 | break; |
| 1883 | } |
Steven Moreland | 031ccf1 | 2016-10-31 15:54:38 -0700 | [diff] [blame] | 1884 | default: |
Zhuoyao Zhang | 8f49294 | 2016-09-28 14:27:56 -0700 | [diff] [blame] | 1885 | { |
Steven Moreland | 031ccf1 | 2016-10-31 15:54:38 -0700 | [diff] [blame] | 1886 | LOG(ERROR) << "Unsupported instrumentation event: " << event; |
Zhuoyao Zhang | 8f49294 | 2016-09-28 14:27:56 -0700 | [diff] [blame] | 1887 | return UNKNOWN_ERROR; |
| 1888 | } |
| 1889 | } |
| 1890 | |
Steven Moreland | 031ccf1 | 2016-10-31 15:54:38 -0700 | [diff] [blame] | 1891 | const Interface *iface = mRootScope->getInterface(); |
| 1892 | |
Steven Moreland | 1ab3144 | 2016-11-03 18:37:51 -0700 | [diff] [blame] | 1893 | out << "for (const auto &callback: mInstrumentationCallbacks) {\n"; |
Zhuoyao Zhang | 8f49294 | 2016-09-28 14:27:56 -0700 | [diff] [blame] | 1894 | out.indent(); |
| 1895 | out << "callback(" |
| 1896 | << event_str |
| 1897 | << ", \"" |
| 1898 | << mPackage.package() |
| 1899 | << "\", \"" |
Yifan Hong | 90ea87f | 2016-11-01 14:25:47 -0700 | [diff] [blame] | 1900 | << mPackage.version() |
Zhuoyao Zhang | 8f49294 | 2016-09-28 14:27:56 -0700 | [diff] [blame] | 1901 | << "\", \"" |
| 1902 | << iface->localName() |
| 1903 | << "\", \"" |
| 1904 | << method->name() |
Zhuoyao Zhang | 964f72f | 2016-10-21 11:12:03 -0700 | [diff] [blame] | 1905 | << "\", &_hidl_args);\n"; |
Zhuoyao Zhang | 8f49294 | 2016-09-28 14:27:56 -0700 | [diff] [blame] | 1906 | out.unindent(); |
| 1907 | out << "}\n"; |
| 1908 | out.unindent(); |
| 1909 | out << "}\n\n"; |
| 1910 | |
| 1911 | return OK; |
| 1912 | } |
| 1913 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1914 | } // namespace android |
| 1915 | |