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 | |
Andreas Huber | b82318c | 2016-08-02 14:45:54 -0700 | [diff] [blame] | 128 | status_t AST::generateInterfaceHeader(const std::string &outputPath) const { |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 129 | |
Andreas Huber | b82318c | 2016-08-02 14:45:54 -0700 | [diff] [blame] | 130 | std::string path = outputPath; |
Andreas Huber | d2943e1 | 2016-08-05 11:59:31 -0700 | [diff] [blame] | 131 | path.append(mCoordinator->convertPackageRootToPath(mPackage)); |
Andreas Huber | dca261f | 2016-08-04 13:47:51 -0700 | [diff] [blame] | 132 | path.append(mCoordinator->getPackagePath(mPackage, true /* relative */)); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 133 | |
| 134 | std::string ifaceName; |
| 135 | bool isInterface = true; |
| 136 | if (!AST::isInterface(&ifaceName)) { |
| 137 | ifaceName = "types"; |
| 138 | isInterface = false; |
| 139 | } |
| 140 | path.append(ifaceName); |
| 141 | path.append(".h"); |
| 142 | |
Andreas Huber | d2943e1 | 2016-08-05 11:59:31 -0700 | [diff] [blame] | 143 | CHECK(Coordinator::MakeParentHierarchy(path)); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 144 | FILE *file = fopen(path.c_str(), "w"); |
| 145 | |
| 146 | if (file == NULL) { |
| 147 | return -errno; |
| 148 | } |
| 149 | |
| 150 | Formatter out(file); |
| 151 | |
| 152 | const std::string guard = makeHeaderGuard(ifaceName); |
| 153 | |
| 154 | out << "#ifndef " << guard << "\n"; |
| 155 | out << "#define " << guard << "\n\n"; |
| 156 | |
Andreas Huber | 737080b | 2016-08-02 15:38:04 -0700 | [diff] [blame] | 157 | for (const auto &item : mImportedNames) { |
Steven Moreland | ee88eed | 2016-10-31 17:49:00 -0700 | [diff] [blame] | 158 | generateCppPackageInclude(out, item, item.name()); |
Andreas Huber | 737080b | 2016-08-02 15:38:04 -0700 | [diff] [blame] | 159 | } |
| 160 | |
| 161 | if (!mImportedNames.empty()) { |
| 162 | out << "\n"; |
| 163 | } |
| 164 | |
Steven Moreland | 0693f31 | 2016-11-09 15:06:14 -0800 | [diff] [blame] | 165 | if (isInterface) { |
Yifan Hong | c893404 | 2016-11-17 17:10:52 -0800 | [diff] [blame] | 166 | if (isIBase()) { |
| 167 | out << "// skipped #include IServiceNotification.h\n\n"; |
| 168 | } else { |
| 169 | out << "#include <android/hidl/manager/1.0/IServiceNotification.h>\n\n"; |
| 170 | } |
Steven Moreland | 0693f31 | 2016-11-09 15:06:14 -0800 | [diff] [blame] | 171 | } |
| 172 | |
Yifan Hong | c893404 | 2016-11-17 17:10:52 -0800 | [diff] [blame] | 173 | out << "#include <hidl/HidlSupport.h>\n"; |
Andreas Huber | 4bcf97d | 2016-08-30 11:27:49 -0700 | [diff] [blame] | 174 | out << "#include <hidl/MQDescriptor.h>\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 175 | |
| 176 | if (isInterface) { |
Steven Moreland | 0693f31 | 2016-11-09 15:06:14 -0800 | [diff] [blame] | 177 | out << "#include <hidl/ServiceManagement.h>\n"; |
Martijn Coenen | 9391510 | 2016-09-01 01:35:52 +0200 | [diff] [blame] | 178 | out << "#include <hidl/Status.h>\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 179 | } |
| 180 | |
Martijn Coenen | af712c0 | 2016-11-16 15:26:27 +0100 | [diff] [blame] | 181 | out << "#include <utils/NativeHandle.h>\n"; |
| 182 | out << "#include <utils/misc.h>\n\n"; /* for report_sysprop_change() */ |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 183 | |
| 184 | enterLeaveNamespace(out, true /* enter */); |
| 185 | out << "\n"; |
| 186 | |
| 187 | if (isInterface) { |
| 188 | out << "struct " |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 189 | << ifaceName; |
Andreas Huber | 6cb08cf | 2016-08-03 15:44:51 -0700 | [diff] [blame] | 190 | |
| 191 | const Interface *iface = mRootScope->getInterface(); |
| 192 | const Interface *superType = iface->superType(); |
| 193 | |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 194 | if (superType == NULL) { |
Yifan Hong | c893404 | 2016-11-17 17:10:52 -0800 | [diff] [blame] | 195 | out << " : virtual public ::android::RefBase"; |
Andreas Huber | 6cb08cf | 2016-08-03 15:44:51 -0700 | [diff] [blame] | 196 | } else { |
Steven Moreland | d916a70 | 2016-10-26 22:23:09 +0000 | [diff] [blame] | 197 | out << " : public " |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 198 | << superType->fullName(); |
Andreas Huber | 6cb08cf | 2016-08-03 15:44:51 -0700 | [diff] [blame] | 199 | } |
| 200 | |
| 201 | out << " {\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 202 | |
| 203 | out.indent(); |
| 204 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 205 | } |
| 206 | |
| 207 | status_t err = emitTypeDeclarations(out); |
| 208 | |
| 209 | if (err != OK) { |
| 210 | return err; |
| 211 | } |
| 212 | |
| 213 | if (isInterface) { |
| 214 | const Interface *iface = mRootScope->getInterface(); |
Andreas Huber | 6cb08cf | 2016-08-03 15:44:51 -0700 | [diff] [blame] | 215 | const Interface *superType = iface->superType(); |
Jayant Chowdhary | 3f32c1f | 2016-09-15 16:53:56 -0700 | [diff] [blame] | 216 | const std::string baseName = iface->getBaseName(); |
Steven Moreland | 19d5c17 | 2016-10-20 19:20:25 -0700 | [diff] [blame] | 217 | out << "constexpr static ::android::hardware::hidl_version version = {" |
Martijn Coenen | a21f149 | 2016-09-08 15:55:14 +0200 | [diff] [blame] | 218 | << mPackage.getPackageMajorVersion() << "," |
| 219 | << mPackage.getPackageMinorVersion() << "};\n"; |
Steven Moreland | 19d5c17 | 2016-10-20 19:20:25 -0700 | [diff] [blame] | 220 | out << "virtual const ::android::hardware::hidl_version&" |
| 221 | << "getInterfaceVersion() const {\n"; |
Martijn Coenen | a21f149 | 2016-09-08 15:55:14 +0200 | [diff] [blame] | 222 | out.indent(); |
| 223 | out << "return version;\n"; |
| 224 | out.unindent(); |
| 225 | out << "}\n\n"; |
Yifan Hong | c893404 | 2016-11-17 17:10:52 -0800 | [diff] [blame] | 226 | out << "virtual bool isRemote() const "; |
| 227 | if (!isIBase()) { |
| 228 | out << "override "; |
| 229 | } |
| 230 | out << "{ return false; }\n\n"; |
Steven Moreland | d732ea1 | 2016-11-08 17:12:06 -0800 | [diff] [blame] | 231 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 232 | for (const auto &method : iface->methods()) { |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 233 | out << "\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 234 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 235 | const bool returnsValue = !method->results().empty(); |
Steven Moreland | d732ea1 | 2016-11-08 17:12:06 -0800 | [diff] [blame] | 236 | const TypedVar *elidedReturn = method->canElideCallback(); |
| 237 | |
| 238 | if (elidedReturn == nullptr && returnsValue) { |
| 239 | out << "using " |
| 240 | << method->name() |
| 241 | << "_cb = std::function<void(" |
| 242 | << Method::GetArgSignature(method->results(), |
| 243 | true /* specify namespaces */) |
| 244 | << ")>;\n"; |
| 245 | } |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 246 | |
Andreas Huber | 3599d92 | 2016-08-09 10:42:57 -0700 | [diff] [blame] | 247 | method->dumpAnnotations(out); |
| 248 | |
Iliyan Malchev | 40d474a | 2016-08-16 06:20:17 -0700 | [diff] [blame] | 249 | if (elidedReturn) { |
Iliyan Malchev | 2b6591b | 2016-08-18 19:15:19 -0700 | [diff] [blame] | 250 | out << "virtual ::android::hardware::Return<"; |
Yifan Hong | 3b320f8 | 2016-11-01 15:15:54 -0700 | [diff] [blame] | 251 | out << elidedReturn->type().getCppResultType() << "> "; |
Iliyan Malchev | 40d474a | 2016-08-16 06:20:17 -0700 | [diff] [blame] | 252 | } else { |
Iliyan Malchev | d57066f | 2016-09-08 13:59:38 -0700 | [diff] [blame] | 253 | out << "virtual ::android::hardware::Return<void> "; |
Iliyan Malchev | 40d474a | 2016-08-16 06:20:17 -0700 | [diff] [blame] | 254 | } |
| 255 | |
| 256 | out << method->name() |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 257 | << "(" |
Steven Moreland | 979e099 | 2016-09-07 09:18:08 -0700 | [diff] [blame] | 258 | << Method::GetArgSignature(method->args(), |
| 259 | true /* specify namespaces */); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 260 | |
Iliyan Malchev | 40d474a | 2016-08-16 06:20:17 -0700 | [diff] [blame] | 261 | if (returnsValue && elidedReturn == nullptr) { |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 262 | if (!method->args().empty()) { |
| 263 | out << ", "; |
| 264 | } |
| 265 | |
Steven Moreland | 67f67b4 | 2016-09-29 08:59:02 -0700 | [diff] [blame] | 266 | out << method->name() << "_cb _hidl_cb"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 267 | } |
| 268 | |
Yifan Hong | 10fe0b5 | 2016-10-19 14:20:17 -0700 | [diff] [blame] | 269 | out << ")"; |
| 270 | if (method->isHidlReserved()) { |
Yifan Hong | c893404 | 2016-11-17 17:10:52 -0800 | [diff] [blame] | 271 | if (!isIBase()) { |
| 272 | out << " override"; |
| 273 | } |
Yifan Hong | 10fe0b5 | 2016-10-19 14:20:17 -0700 | [diff] [blame] | 274 | out << " {\n"; |
| 275 | out.indent(); |
| 276 | method->cppImpl(out); |
| 277 | out.unindent(); |
| 278 | out << "\n}\n"; |
| 279 | } else { |
| 280 | out << " = 0;\n"; |
| 281 | } |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 282 | } |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 283 | |
Yifan Hong | fe95aa2 | 2016-10-19 17:26:45 -0700 | [diff] [blame] | 284 | if (!iface->isRootType()) { |
| 285 | out << "// cast static functions\n"; |
Yifan Hong | 3b320f8 | 2016-11-01 15:15:54 -0700 | [diff] [blame] | 286 | std::string childTypeResult = iface->getCppResultType(); |
Yifan Hong | fe95aa2 | 2016-10-19 17:26:45 -0700 | [diff] [blame] | 287 | |
| 288 | for (const Interface *superType : iface->superTypeChain()) { |
Yifan Hong | fe95aa2 | 2016-10-19 17:26:45 -0700 | [diff] [blame] | 289 | out << "static " |
| 290 | << childTypeResult |
| 291 | << " castFrom(" |
Yifan Hong | 3b320f8 | 2016-11-01 15:15:54 -0700 | [diff] [blame] | 292 | << superType->getCppArgumentType() |
Yifan Hong | fe95aa2 | 2016-10-19 17:26:45 -0700 | [diff] [blame] | 293 | << " parent" |
Yifan Hong | fe95aa2 | 2016-10-19 17:26:45 -0700 | [diff] [blame] | 294 | << ");\n"; |
| 295 | } |
| 296 | } |
| 297 | |
Steven Moreland | d39133b | 2016-11-11 12:30:08 -0800 | [diff] [blame] | 298 | out << "\nstatic const char* descriptor;\n\n"; |
Yifan Hong | 10fe0b5 | 2016-10-19 14:20:17 -0700 | [diff] [blame] | 299 | |
Yifan Hong | c893404 | 2016-11-17 17:10:52 -0800 | [diff] [blame] | 300 | if (isIBase()) { |
| 301 | out << "// skipped DECLARE_SERVICE_MANAGER_INTERACTIONS\n\n"; |
| 302 | } else { |
| 303 | out << "DECLARE_SERVICE_MANAGER_INTERACTIONS(" << baseName << ")\n\n"; |
| 304 | } |
Yifan Hong | 158655a | 2016-11-08 12:34:07 -0800 | [diff] [blame] | 305 | |
| 306 | out << "private: static int hidlStaticBlock;\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 307 | } |
| 308 | |
| 309 | if (isInterface) { |
| 310 | out.unindent(); |
| 311 | |
Andreas Huber | e3f769a | 2016-10-10 10:54:44 -0700 | [diff] [blame] | 312 | out << "};\n\n"; |
| 313 | } |
| 314 | |
| 315 | err = mRootScope->emitGlobalTypeDeclarations(out); |
| 316 | |
| 317 | if (err != OK) { |
| 318 | return err; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 319 | } |
| 320 | |
| 321 | out << "\n"; |
| 322 | enterLeaveNamespace(out, false /* enter */); |
| 323 | |
| 324 | out << "\n#endif // " << guard << "\n"; |
| 325 | |
| 326 | return OK; |
| 327 | } |
| 328 | |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 329 | status_t AST::generateHwBinderHeader(const std::string &outputPath) const { |
| 330 | std::string ifaceName; |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 331 | bool isInterface = AST::isInterface(&ifaceName); |
| 332 | const Interface *iface = nullptr; |
| 333 | std::string baseName{}; |
| 334 | std::string klassName{}; |
| 335 | |
| 336 | if(isInterface) { |
| 337 | iface = mRootScope->getInterface(); |
| 338 | baseName = iface->getBaseName(); |
| 339 | klassName = "IHw" + baseName; |
| 340 | } else { |
| 341 | klassName = "hwtypes"; |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 342 | } |
| 343 | |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 344 | std::string path = outputPath; |
| 345 | path.append(mCoordinator->convertPackageRootToPath(mPackage)); |
| 346 | path.append(mCoordinator->getPackagePath(mPackage, true /* relative */)); |
| 347 | path.append(klassName + ".h"); |
| 348 | |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 349 | FILE *file = fopen(path.c_str(), "w"); |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 350 | |
| 351 | if (file == NULL) { |
| 352 | return -errno; |
| 353 | } |
| 354 | |
| 355 | Formatter out(file); |
| 356 | |
| 357 | const std::string guard = makeHeaderGuard(klassName); |
| 358 | |
| 359 | out << "#ifndef " << guard << "\n"; |
| 360 | out << "#define " << guard << "\n\n"; |
| 361 | |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 362 | if (isInterface) { |
| 363 | generateCppPackageInclude(out, mPackage, ifaceName); |
| 364 | } else { |
| 365 | generateCppPackageInclude(out, mPackage, "types"); |
| 366 | } |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 367 | |
Steven Moreland | ee88eed | 2016-10-31 17:49:00 -0700 | [diff] [blame] | 368 | out << "\n"; |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 369 | |
| 370 | for (const auto &item : mImportedNames) { |
| 371 | if (item.name() == "types") { |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 372 | generateCppPackageInclude(out, item, "hwtypes"); |
| 373 | } else { |
| 374 | generateCppPackageInclude(out, item, "Bn" + item.getInterfaceBaseName()); |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 375 | } |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 376 | } |
| 377 | |
| 378 | out << "\n"; |
| 379 | |
Yifan Hong | 859e53f | 2016-11-14 19:08:24 -0800 | [diff] [blame] | 380 | out << "#include <hidl/HidlTransportSupport.h>\n"; |
Martijn Coenen | 9391510 | 2016-09-01 01:35:52 +0200 | [diff] [blame] | 381 | out << "#include <hidl/Status.h>\n"; |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 382 | out << "#include <hwbinder/IBinder.h>\n"; |
| 383 | out << "#include <hwbinder/IInterface.h>\n"; |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 384 | |
| 385 | out << "\n"; |
| 386 | |
| 387 | enterLeaveNamespace(out, true /* enter */); |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 388 | |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 389 | if (isInterface) { |
| 390 | out << "\n"; |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 391 | |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 392 | out << "struct " |
| 393 | << klassName |
| 394 | << " : public " |
| 395 | << ifaceName; |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 396 | |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 397 | const Interface *superType = iface->superType(); |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 398 | |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 399 | out << ", public ::android::hardware::IInterface"; |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 400 | |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 401 | out << " {\n"; |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 402 | |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 403 | out.indent(); |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 404 | |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 405 | out << "DECLARE_HWBINDER_META_INTERFACE(" << baseName << ");\n\n"; |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 406 | |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 407 | out.unindent(); |
| 408 | |
| 409 | out << "};\n\n"; |
| 410 | } |
| 411 | |
| 412 | status_t err = mRootScope->emitGlobalHwDeclarations(out); |
| 413 | if (err != OK) { |
| 414 | return err; |
| 415 | } |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 416 | |
| 417 | enterLeaveNamespace(out, false /* enter */); |
| 418 | |
| 419 | out << "\n#endif // " << guard << "\n"; |
| 420 | |
| 421 | return OK; |
| 422 | } |
| 423 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 424 | status_t AST::emitTypeDeclarations(Formatter &out) const { |
| 425 | return mRootScope->emitTypeDeclarations(out); |
| 426 | } |
| 427 | |
Steven Moreland | a7a421a | 2016-09-07 08:35:18 -0700 | [diff] [blame] | 428 | status_t AST::generateStubMethod(Formatter &out, |
Yifan Hong | 068c552 | 2016-10-31 14:07:25 -0700 | [diff] [blame] | 429 | const Method *method) const { |
Steven Moreland | a7a421a | 2016-09-07 08:35:18 -0700 | [diff] [blame] | 430 | out << "inline "; |
| 431 | |
Yifan Hong | 068c552 | 2016-10-31 14:07:25 -0700 | [diff] [blame] | 432 | method->generateCppSignature(out); |
Steven Moreland | a7a421a | 2016-09-07 08:35:18 -0700 | [diff] [blame] | 433 | |
| 434 | const bool returnsValue = !method->results().empty(); |
| 435 | const TypedVar *elidedReturn = method->canElideCallback(); |
| 436 | out << " {\n"; |
| 437 | out.indent(); |
| 438 | out << "return mImpl->" |
| 439 | << method->name() |
| 440 | << "("; |
| 441 | bool first = true; |
| 442 | for (const auto &arg : method->args()) { |
| 443 | if (!first) { |
| 444 | out << ", "; |
| 445 | } |
| 446 | first = false; |
| 447 | out << arg->name(); |
| 448 | } |
| 449 | if (returnsValue && elidedReturn == nullptr) { |
| 450 | if (!method->args().empty()) { |
| 451 | out << ", "; |
| 452 | } |
| 453 | |
| 454 | out << "_hidl_cb"; |
| 455 | } |
| 456 | out << ");\n"; |
| 457 | out.unindent(); |
| 458 | out << "}"; |
| 459 | |
| 460 | out << ";\n"; |
| 461 | |
| 462 | return OK; |
| 463 | } |
| 464 | |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 465 | status_t AST::generatePassthroughMethod(Formatter &out, |
Yifan Hong | 068c552 | 2016-10-31 14:07:25 -0700 | [diff] [blame] | 466 | const Method *method) const { |
| 467 | method->generateCppSignature(out); |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 468 | |
| 469 | out << " {\n"; |
| 470 | out.indent(); |
| 471 | |
| 472 | const bool returnsValue = !method->results().empty(); |
| 473 | const TypedVar *elidedReturn = method->canElideCallback(); |
| 474 | |
Steven Moreland | 67f67b4 | 2016-09-29 08:59:02 -0700 | [diff] [blame] | 475 | if (returnsValue && elidedReturn == nullptr) { |
| 476 | generateCheckNonNull(out, "_hidl_cb"); |
| 477 | } |
| 478 | |
Steven Moreland | 9b1cbdf | 2016-11-01 12:23:27 -0700 | [diff] [blame] | 479 | generateCppInstrumentationCall( |
| 480 | out, |
| 481 | InstrumentationEvent::PASSTHROUGH_ENTRY, |
| 482 | method); |
| 483 | |
| 484 | out << "auto _hidl_return = "; |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 485 | |
| 486 | if (method->isOneway()) { |
| 487 | out << "addOnewayTask([this"; |
| 488 | for (const auto &arg : method->args()) { |
| 489 | out << ", " << arg->name(); |
| 490 | } |
Steven Moreland | 9b1cbdf | 2016-11-01 12:23:27 -0700 | [diff] [blame] | 491 | out << "] {\n"; |
| 492 | out.indent(); |
| 493 | out << "this->"; |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 494 | } |
| 495 | |
| 496 | out << "mImpl->" |
| 497 | << method->name() |
| 498 | << "("; |
| 499 | |
| 500 | bool first = true; |
| 501 | for (const auto &arg : method->args()) { |
| 502 | if (!first) { |
| 503 | out << ", "; |
| 504 | } |
| 505 | first = false; |
| 506 | out << arg->name(); |
| 507 | } |
| 508 | if (returnsValue && elidedReturn == nullptr) { |
| 509 | if (!method->args().empty()) { |
| 510 | out << ", "; |
| 511 | } |
Zhuoyao Zhang | 085a8c3 | 2016-11-17 15:35:49 -0800 | [diff] [blame] | 512 | out << "[&]("; |
| 513 | first = true; |
| 514 | for (const auto &arg : method->results()) { |
| 515 | if (!first) { |
| 516 | out << ", "; |
| 517 | } |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 518 | |
Zhuoyao Zhang | 085a8c3 | 2016-11-17 15:35:49 -0800 | [diff] [blame] | 519 | out << "const auto &" << arg->name(); |
| 520 | |
| 521 | first = false; |
| 522 | } |
| 523 | |
| 524 | out << ") {\n"; |
| 525 | out.indent(); |
| 526 | status_t status = generateCppInstrumentationCall( |
| 527 | out, |
| 528 | InstrumentationEvent::PASSTHROUGH_EXIT, |
| 529 | method); |
| 530 | if (status != OK) { |
| 531 | return status; |
| 532 | } |
| 533 | |
| 534 | out << "_hidl_cb("; |
| 535 | first = true; |
| 536 | for (const auto &arg : method->results()) { |
| 537 | if (!first) { |
| 538 | out << ", "; |
| 539 | } |
| 540 | |
| 541 | out << arg->name(); |
| 542 | |
| 543 | first = false; |
| 544 | } |
| 545 | out << ");\n"; |
| 546 | out.unindent(); |
| 547 | out << "});\n\n"; |
| 548 | } else { |
| 549 | out << ");\n\n"; |
| 550 | if (elidedReturn != nullptr) { |
| 551 | out << elidedReturn->type().getCppResultType() |
| 552 | << " " |
| 553 | << elidedReturn->name() |
Steven Moreland | 2ae5bca | 2016-12-01 05:56:49 +0000 | [diff] [blame] | 554 | << " = _hidl_return;\n"; |
Zhuoyao Zhang | 085a8c3 | 2016-11-17 15:35:49 -0800 | [diff] [blame] | 555 | } |
| 556 | status_t status = generateCppInstrumentationCall( |
| 557 | out, |
| 558 | InstrumentationEvent::PASSTHROUGH_EXIT, |
| 559 | method); |
| 560 | if (status != OK) { |
| 561 | return status; |
| 562 | } |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 563 | } |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 564 | |
| 565 | if (method->isOneway()) { |
Steven Moreland | 9b1cbdf | 2016-11-01 12:23:27 -0700 | [diff] [blame] | 566 | out.unindent(); |
| 567 | out << "});\n"; |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 568 | } |
Steven Moreland | 9b1cbdf | 2016-11-01 12:23:27 -0700 | [diff] [blame] | 569 | |
| 570 | out << "return _hidl_return;\n"; |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 571 | |
| 572 | out.unindent(); |
| 573 | out << "}\n"; |
| 574 | |
| 575 | return OK; |
| 576 | } |
| 577 | |
Yifan Hong | 068c552 | 2016-10-31 14:07:25 -0700 | [diff] [blame] | 578 | status_t AST::generateMethods(Formatter &out, MethodGenerator gen) const { |
Steven Moreland | a7a421a | 2016-09-07 08:35:18 -0700 | [diff] [blame] | 579 | |
Iliyan Malchev | 62c3d18 | 2016-08-16 20:33:39 -0700 | [diff] [blame] | 580 | const Interface *iface = mRootScope->getInterface(); |
| 581 | |
Yifan Hong | 10fe0b5 | 2016-10-19 14:20:17 -0700 | [diff] [blame] | 582 | const Interface *prevIterface = nullptr; |
| 583 | for (const auto &tuple : iface->allMethodsFromRoot()) { |
| 584 | const Method *method = tuple.method(); |
| 585 | const Interface *superInterface = tuple.interface(); |
Iliyan Malchev | 62c3d18 | 2016-08-16 20:33:39 -0700 | [diff] [blame] | 586 | |
Yifan Hong | 10fe0b5 | 2016-10-19 14:20:17 -0700 | [diff] [blame] | 587 | if(prevIterface != superInterface) { |
| 588 | if (prevIterface != nullptr) { |
| 589 | out << "\n"; |
| 590 | } |
| 591 | out << "// Methods from " |
| 592 | << superInterface->fullName() |
| 593 | << " follow.\n"; |
| 594 | prevIterface = superInterface; |
| 595 | } |
Yifan Hong | 068c552 | 2016-10-31 14:07:25 -0700 | [diff] [blame] | 596 | status_t err = gen(method, superInterface); |
Iliyan Malchev | 62c3d18 | 2016-08-16 20:33:39 -0700 | [diff] [blame] | 597 | |
Yifan Hong | 10fe0b5 | 2016-10-19 14:20:17 -0700 | [diff] [blame] | 598 | if (err != OK) { |
| 599 | return err; |
| 600 | } |
Iliyan Malchev | 62c3d18 | 2016-08-16 20:33:39 -0700 | [diff] [blame] | 601 | } |
| 602 | |
Yifan Hong | 10fe0b5 | 2016-10-19 14:20:17 -0700 | [diff] [blame] | 603 | out << "\n"; |
| 604 | |
Iliyan Malchev | 62c3d18 | 2016-08-16 20:33:39 -0700 | [diff] [blame] | 605 | return OK; |
| 606 | } |
| 607 | |
Andreas Huber | b82318c | 2016-08-02 14:45:54 -0700 | [diff] [blame] | 608 | status_t AST::generateStubHeader(const std::string &outputPath) const { |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 609 | std::string ifaceName; |
| 610 | if (!AST::isInterface(&ifaceName)) { |
| 611 | // types.hal does not get a stub header. |
| 612 | return OK; |
| 613 | } |
| 614 | |
Jayant Chowdhary | 3f32c1f | 2016-09-15 16:53:56 -0700 | [diff] [blame] | 615 | const Interface *iface = mRootScope->getInterface(); |
| 616 | const std::string baseName = iface->getBaseName(); |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 617 | const std::string klassName = "Bn" + baseName; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 618 | |
Andreas Huber | b82318c | 2016-08-02 14:45:54 -0700 | [diff] [blame] | 619 | std::string path = outputPath; |
Andreas Huber | d2943e1 | 2016-08-05 11:59:31 -0700 | [diff] [blame] | 620 | path.append(mCoordinator->convertPackageRootToPath(mPackage)); |
Andreas Huber | dca261f | 2016-08-04 13:47:51 -0700 | [diff] [blame] | 621 | path.append(mCoordinator->getPackagePath(mPackage, true /* relative */)); |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 622 | path.append(klassName); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 623 | path.append(".h"); |
| 624 | |
Andreas Huber | d2943e1 | 2016-08-05 11:59:31 -0700 | [diff] [blame] | 625 | CHECK(Coordinator::MakeParentHierarchy(path)); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 626 | FILE *file = fopen(path.c_str(), "w"); |
| 627 | |
| 628 | if (file == NULL) { |
| 629 | return -errno; |
| 630 | } |
| 631 | |
| 632 | Formatter out(file); |
| 633 | |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 634 | const std::string guard = makeHeaderGuard(klassName); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 635 | |
| 636 | out << "#ifndef " << guard << "\n"; |
| 637 | out << "#define " << guard << "\n\n"; |
| 638 | |
Steven Moreland | ee88eed | 2016-10-31 17:49:00 -0700 | [diff] [blame] | 639 | generateCppPackageInclude(out, mPackage, "IHw" + baseName); |
| 640 | out << "\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 641 | |
| 642 | enterLeaveNamespace(out, true /* enter */); |
| 643 | out << "\n"; |
| 644 | |
| 645 | out << "struct " |
| 646 | << "Bn" |
| 647 | << baseName |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 648 | << " : public ::android::hardware::BnInterface<I" |
| 649 | << baseName << ", IHw" << baseName |
Zhuoyao Zhang | 964f72f | 2016-10-21 11:12:03 -0700 | [diff] [blame] | 650 | << ">, public ::android::hardware::HidlInstrumentor {\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 651 | |
| 652 | out.indent(); |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 653 | out << "explicit Bn" |
| 654 | << baseName |
| 655 | << "(const ::android::sp<" << ifaceName << "> &_hidl_impl);" |
| 656 | << "\n\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 657 | out << "::android::status_t onTransact(\n"; |
| 658 | out.indent(); |
| 659 | out.indent(); |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 660 | out << "uint32_t _hidl_code,\n"; |
| 661 | out << "const ::android::hardware::Parcel &_hidl_data,\n"; |
| 662 | out << "::android::hardware::Parcel *_hidl_reply,\n"; |
| 663 | out << "uint32_t _hidl_flags = 0,\n"; |
Iliyan Malchev | 62c3d18 | 2016-08-16 20:33:39 -0700 | [diff] [blame] | 664 | out << "TransactCallback _hidl_cb = nullptr) override;\n\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 665 | out.unindent(); |
| 666 | out.unindent(); |
| 667 | |
Yifan Hong | 068c552 | 2016-10-31 14:07:25 -0700 | [diff] [blame] | 668 | status_t err = generateMethods(out, [&](const Method *method, const Interface *) { |
| 669 | return generateStubMethod(out, method); |
| 670 | }); |
Steven Moreland | 9c38761 | 2016-09-07 09:54:26 -0700 | [diff] [blame] | 671 | |
| 672 | if (err != OK) { |
| 673 | return err; |
| 674 | } |
| 675 | |
Zhuoyao Zhang | de57800 | 2016-09-07 18:24:17 -0700 | [diff] [blame] | 676 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 677 | out.unindent(); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 678 | out << "};\n\n"; |
| 679 | |
| 680 | enterLeaveNamespace(out, false /* enter */); |
| 681 | |
| 682 | out << "\n#endif // " << guard << "\n"; |
| 683 | |
| 684 | return OK; |
| 685 | } |
| 686 | |
Andreas Huber | b82318c | 2016-08-02 14:45:54 -0700 | [diff] [blame] | 687 | status_t AST::generateProxyHeader(const std::string &outputPath) const { |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 688 | std::string ifaceName; |
| 689 | if (!AST::isInterface(&ifaceName)) { |
| 690 | // types.hal does not get a proxy header. |
| 691 | return OK; |
| 692 | } |
| 693 | |
Jayant Chowdhary | 3f32c1f | 2016-09-15 16:53:56 -0700 | [diff] [blame] | 694 | const Interface *iface = mRootScope->getInterface(); |
| 695 | const std::string baseName = iface->getBaseName(); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 696 | |
Andreas Huber | b82318c | 2016-08-02 14:45:54 -0700 | [diff] [blame] | 697 | std::string path = outputPath; |
Andreas Huber | d2943e1 | 2016-08-05 11:59:31 -0700 | [diff] [blame] | 698 | path.append(mCoordinator->convertPackageRootToPath(mPackage)); |
Andreas Huber | dca261f | 2016-08-04 13:47:51 -0700 | [diff] [blame] | 699 | path.append(mCoordinator->getPackagePath(mPackage, true /* relative */)); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 700 | path.append("Bp"); |
| 701 | path.append(baseName); |
| 702 | path.append(".h"); |
| 703 | |
Andreas Huber | d2943e1 | 2016-08-05 11:59:31 -0700 | [diff] [blame] | 704 | CHECK(Coordinator::MakeParentHierarchy(path)); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 705 | FILE *file = fopen(path.c_str(), "w"); |
| 706 | |
| 707 | if (file == NULL) { |
| 708 | return -errno; |
| 709 | } |
| 710 | |
| 711 | Formatter out(file); |
| 712 | |
| 713 | const std::string guard = makeHeaderGuard("Bp" + baseName); |
| 714 | |
| 715 | out << "#ifndef " << guard << "\n"; |
| 716 | out << "#define " << guard << "\n\n"; |
| 717 | |
| 718 | std::vector<std::string> packageComponents; |
| 719 | getPackageAndVersionComponents( |
| 720 | &packageComponents, false /* cpp_compatible */); |
| 721 | |
Steven Moreland | ee88eed | 2016-10-31 17:49:00 -0700 | [diff] [blame] | 722 | generateCppPackageInclude(out, mPackage, "IHw" + baseName); |
| 723 | out << "\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 724 | |
| 725 | enterLeaveNamespace(out, true /* enter */); |
| 726 | out << "\n"; |
| 727 | |
| 728 | out << "struct " |
| 729 | << "Bp" |
| 730 | << baseName |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 731 | << " : public ::android::hardware::BpInterface<IHw" |
| 732 | << baseName |
Zhuoyao Zhang | 964f72f | 2016-10-21 11:12:03 -0700 | [diff] [blame] | 733 | << ">, public ::android::hardware::HidlInstrumentor {\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 734 | |
| 735 | out.indent(); |
| 736 | |
| 737 | out << "explicit Bp" |
| 738 | << baseName |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 739 | << "(const ::android::sp<::android::hardware::IBinder> &_hidl_impl);" |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 740 | << "\n\n"; |
| 741 | |
Yifan Hong | 10fe0b5 | 2016-10-19 14:20:17 -0700 | [diff] [blame] | 742 | out << "virtual bool isRemote() const override { return true; }\n\n"; |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 743 | |
Yifan Hong | 068c552 | 2016-10-31 14:07:25 -0700 | [diff] [blame] | 744 | status_t err = generateMethods(out, [&](const Method *method, const Interface *) { |
| 745 | method->generateCppSignature(out); |
| 746 | out << " override;\n"; |
| 747 | return OK; |
| 748 | }); |
Steven Moreland | 9c38761 | 2016-09-07 09:54:26 -0700 | [diff] [blame] | 749 | |
| 750 | if (err != OK) { |
| 751 | return err; |
| 752 | } |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 753 | |
| 754 | out.unindent(); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 755 | out << "};\n\n"; |
| 756 | |
| 757 | enterLeaveNamespace(out, false /* enter */); |
| 758 | |
| 759 | out << "\n#endif // " << guard << "\n"; |
| 760 | |
| 761 | return OK; |
| 762 | } |
| 763 | |
Andreas Huber | b82318c | 2016-08-02 14:45:54 -0700 | [diff] [blame] | 764 | status_t AST::generateAllSource(const std::string &outputPath) const { |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 765 | |
Andreas Huber | b82318c | 2016-08-02 14:45:54 -0700 | [diff] [blame] | 766 | std::string path = outputPath; |
Andreas Huber | d2943e1 | 2016-08-05 11:59:31 -0700 | [diff] [blame] | 767 | path.append(mCoordinator->convertPackageRootToPath(mPackage)); |
Andreas Huber | dca261f | 2016-08-04 13:47:51 -0700 | [diff] [blame] | 768 | path.append(mCoordinator->getPackagePath(mPackage, true /* relative */)); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 769 | |
| 770 | std::string ifaceName; |
| 771 | std::string baseName; |
| 772 | |
Yifan Hong | fe95aa2 | 2016-10-19 17:26:45 -0700 | [diff] [blame] | 773 | const Interface *iface = nullptr; |
| 774 | bool isInterface; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 775 | if (!AST::isInterface(&ifaceName)) { |
| 776 | baseName = "types"; |
| 777 | isInterface = false; |
| 778 | } else { |
Yifan Hong | fe95aa2 | 2016-10-19 17:26:45 -0700 | [diff] [blame] | 779 | iface = mRootScope->getInterface(); |
Jayant Chowdhary | 3f32c1f | 2016-09-15 16:53:56 -0700 | [diff] [blame] | 780 | baseName = iface->getBaseName(); |
Yifan Hong | fe95aa2 | 2016-10-19 17:26:45 -0700 | [diff] [blame] | 781 | isInterface = true; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 782 | } |
| 783 | |
| 784 | path.append(baseName); |
| 785 | |
| 786 | if (baseName != "types") { |
| 787 | path.append("All"); |
| 788 | } |
| 789 | |
| 790 | path.append(".cpp"); |
| 791 | |
Andreas Huber | d2943e1 | 2016-08-05 11:59:31 -0700 | [diff] [blame] | 792 | CHECK(Coordinator::MakeParentHierarchy(path)); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 793 | FILE *file = fopen(path.c_str(), "w"); |
| 794 | |
| 795 | if (file == NULL) { |
| 796 | return -errno; |
| 797 | } |
| 798 | |
| 799 | Formatter out(file); |
| 800 | |
Steven Moreland | 05cd423 | 2016-11-21 16:01:12 -0800 | [diff] [blame] | 801 | out << "#include <android/log.h>\n"; |
Martijn Coenen | 7b29524 | 2016-11-04 16:52:56 +0100 | [diff] [blame] | 802 | out << "#include <cutils/trace.h>\n\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 803 | if (isInterface) { |
Steven Moreland | 19d5c17 | 2016-10-20 19:20:25 -0700 | [diff] [blame] | 804 | // This is a no-op for IServiceManager itself. |
| 805 | out << "#include <android/hidl/manager/1.0/IServiceManager.h>\n"; |
| 806 | |
Steven Moreland | ee88eed | 2016-10-31 17:49:00 -0700 | [diff] [blame] | 807 | generateCppPackageInclude(out, mPackage, "Bp" + baseName); |
| 808 | generateCppPackageInclude(out, mPackage, "Bn" + baseName); |
| 809 | generateCppPackageInclude(out, mPackage, "Bs" + baseName); |
Yifan Hong | fe95aa2 | 2016-10-19 17:26:45 -0700 | [diff] [blame] | 810 | |
| 811 | for (const Interface *superType : iface->superTypeChain()) { |
Steven Moreland | ee88eed | 2016-10-31 17:49:00 -0700 | [diff] [blame] | 812 | generateCppPackageInclude(out, |
| 813 | superType->fqName(), |
| 814 | "Bp" + superType->getBaseName()); |
Yifan Hong | fe95aa2 | 2016-10-19 17:26:45 -0700 | [diff] [blame] | 815 | } |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 816 | } else { |
Steven Moreland | ee88eed | 2016-10-31 17:49:00 -0700 | [diff] [blame] | 817 | generateCppPackageInclude(out, mPackage, "types"); |
Yifan Hong | 244e82d | 2016-11-11 11:13:57 -0800 | [diff] [blame] | 818 | generateCppPackageInclude(out, mPackage, "hwtypes"); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 819 | } |
| 820 | |
| 821 | out << "\n"; |
| 822 | |
| 823 | enterLeaveNamespace(out, true /* enter */); |
| 824 | out << "\n"; |
| 825 | |
| 826 | status_t err = generateTypeSource(out, ifaceName); |
| 827 | |
| 828 | if (err == OK && isInterface) { |
Yifan Hong | 10fe0b5 | 2016-10-19 14:20:17 -0700 | [diff] [blame] | 829 | const Interface *iface = mRootScope->getInterface(); |
Steven Moreland | 19d5c17 | 2016-10-20 19:20:25 -0700 | [diff] [blame] | 830 | out << "constexpr ::android::hardware::hidl_version " |
| 831 | << ifaceName |
| 832 | << "::version;\n\n"; |
Yifan Hong | 10fe0b5 | 2016-10-19 14:20:17 -0700 | [diff] [blame] | 833 | |
| 834 | // need to be put here, generateStubSource is using this. |
Steven Moreland | d39133b | 2016-11-11 12:30:08 -0800 | [diff] [blame] | 835 | out << "const char* I" |
Yifan Hong | 10fe0b5 | 2016-10-19 14:20:17 -0700 | [diff] [blame] | 836 | << iface->getBaseName() |
| 837 | << "::descriptor(\"" |
| 838 | << iface->fqName().string() |
| 839 | << "\");\n\n"; |
| 840 | |
Yifan Hong | 158655a | 2016-11-08 12:34:07 -0800 | [diff] [blame] | 841 | out << "int I" |
| 842 | << iface->getBaseName() |
| 843 | << "::hidlStaticBlock = []() -> int {\n"; |
| 844 | out.indentBlock([&] { |
Steven Moreland | d39133b | 2016-11-11 12:30:08 -0800 | [diff] [blame] | 845 | out << "::android::hardware::gBnConstructorMap[I" |
Yifan Hong | 158655a | 2016-11-08 12:34:07 -0800 | [diff] [blame] | 846 | << iface->getBaseName() |
Steven Moreland | d39133b | 2016-11-11 12:30:08 -0800 | [diff] [blame] | 847 | << "::descriptor]\n"; |
Yifan Hong | 158655a | 2016-11-08 12:34:07 -0800 | [diff] [blame] | 848 | out.indentBlock(2, [&] { |
| 849 | out << "= [](void *iIntf) -> ::android::sp<::android::hardware::IBinder> {\n"; |
| 850 | out.indentBlock([&] { |
| 851 | out << "return new Bn" |
| 852 | << iface->getBaseName() |
| 853 | << "(reinterpret_cast<I" |
| 854 | << iface->getBaseName() |
| 855 | << " *>(iIntf));\n"; |
| 856 | }); |
| 857 | out << "};\n"; |
| 858 | }); |
| 859 | out << "return 1;\n"; |
| 860 | }); |
| 861 | out << "}();\n\n"; |
| 862 | |
Yifan Hong | fe95aa2 | 2016-10-19 17:26:45 -0700 | [diff] [blame] | 863 | err = generateInterfaceSource(out); |
| 864 | } |
| 865 | |
| 866 | if (err == OK && isInterface) { |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 867 | err = generateProxySource(out, baseName); |
| 868 | } |
| 869 | |
| 870 | if (err == OK && isInterface) { |
| 871 | err = generateStubSource(out, baseName); |
| 872 | } |
| 873 | |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 874 | if (err == OK && isInterface) { |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 875 | err = generatePassthroughSource(out); |
| 876 | } |
| 877 | |
| 878 | if (err == OK && isInterface) { |
Steven Moreland | 9c38761 | 2016-09-07 09:54:26 -0700 | [diff] [blame] | 879 | const Interface *iface = mRootScope->getInterface(); |
| 880 | |
Yifan Hong | c893404 | 2016-11-17 17:10:52 -0800 | [diff] [blame] | 881 | if (isIBase()) { |
| 882 | out << "// skipped IMPLEMENT_SERVICE_MANAGER_INTERACTIONS\n"; |
| 883 | } else { |
| 884 | out << "IMPLEMENT_SERVICE_MANAGER_INTERACTIONS(" |
| 885 | << baseName << ", " |
| 886 | << "\"" << iface->fqName().package() |
| 887 | << iface->fqName().atVersion() |
| 888 | << "\")\n"; |
| 889 | } |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 890 | } |
| 891 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 892 | enterLeaveNamespace(out, false /* enter */); |
| 893 | |
| 894 | return err; |
| 895 | } |
| 896 | |
Steven Moreland | 67f67b4 | 2016-09-29 08:59:02 -0700 | [diff] [blame] | 897 | // static |
| 898 | void AST::generateCheckNonNull(Formatter &out, const std::string &nonNull) { |
| 899 | out << "if (" << nonNull << " == nullptr) {\n"; |
| 900 | out.indent(); |
| 901 | out << "return ::android::hardware::Status::fromExceptionCode(\n"; |
| 902 | out.indent(); |
| 903 | out.indent(); |
| 904 | out << "::android::hardware::Status::EX_ILLEGAL_ARGUMENT);\n"; |
| 905 | out.unindent(); |
| 906 | out.unindent(); |
| 907 | out.unindent(); |
| 908 | out << "}\n\n"; |
| 909 | } |
| 910 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 911 | status_t AST::generateTypeSource( |
| 912 | Formatter &out, const std::string &ifaceName) const { |
| 913 | return mRootScope->emitTypeDefinitions(out, ifaceName); |
| 914 | } |
| 915 | |
Andreas Huber | e7ff228 | 2016-08-16 13:50:03 -0700 | [diff] [blame] | 916 | void AST::declareCppReaderLocals( |
Andreas Huber | 5e44a29 | 2016-09-27 14:52:39 -0700 | [diff] [blame] | 917 | Formatter &out, |
| 918 | const std::vector<TypedVar *> &args, |
| 919 | bool forResults) const { |
Andreas Huber | e7ff228 | 2016-08-16 13:50:03 -0700 | [diff] [blame] | 920 | if (args.empty()) { |
| 921 | return; |
| 922 | } |
| 923 | |
| 924 | for (const auto &arg : args) { |
| 925 | const Type &type = arg->type(); |
| 926 | |
Yifan Hong | 3b320f8 | 2016-11-01 15:15:54 -0700 | [diff] [blame] | 927 | out << type.getCppResultType() |
Andreas Huber | e7ff228 | 2016-08-16 13:50:03 -0700 | [diff] [blame] | 928 | << " " |
Yifan Hong | 3b320f8 | 2016-11-01 15:15:54 -0700 | [diff] [blame] | 929 | << (forResults ? "_hidl_out_" : "") + arg->name() |
Andreas Huber | e7ff228 | 2016-08-16 13:50:03 -0700 | [diff] [blame] | 930 | << ";\n"; |
| 931 | } |
| 932 | |
| 933 | out << "\n"; |
| 934 | } |
| 935 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 936 | void AST::emitCppReaderWriter( |
| 937 | Formatter &out, |
| 938 | const std::string &parcelObj, |
| 939 | bool parcelObjIsPointer, |
| 940 | const TypedVar *arg, |
| 941 | bool isReader, |
Andreas Huber | 5e44a29 | 2016-09-27 14:52:39 -0700 | [diff] [blame] | 942 | Type::ErrorMode mode, |
| 943 | bool addPrefixToName) const { |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 944 | const Type &type = arg->type(); |
| 945 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 946 | type.emitReaderWriter( |
| 947 | out, |
Andreas Huber | 5e44a29 | 2016-09-27 14:52:39 -0700 | [diff] [blame] | 948 | addPrefixToName ? ("_hidl_out_" + arg->name()) : arg->name(), |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 949 | parcelObj, |
| 950 | parcelObjIsPointer, |
| 951 | isReader, |
| 952 | mode); |
| 953 | } |
| 954 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 955 | void AST::emitCppResolveReferences( |
| 956 | Formatter &out, |
| 957 | const std::string &parcelObj, |
| 958 | bool parcelObjIsPointer, |
| 959 | const TypedVar *arg, |
| 960 | bool isReader, |
| 961 | Type::ErrorMode mode, |
| 962 | bool addPrefixToName) const { |
| 963 | const Type &type = arg->type(); |
| 964 | if(type.needsResolveReferences()) { |
| 965 | type.emitResolveReferences( |
| 966 | out, |
| 967 | addPrefixToName ? ("_hidl_out_" + arg->name()) : arg->name(), |
| 968 | isReader, // nameIsPointer |
| 969 | parcelObj, |
| 970 | parcelObjIsPointer, |
| 971 | isReader, |
| 972 | mode); |
| 973 | } |
| 974 | } |
| 975 | |
Yifan Hong | 068c552 | 2016-10-31 14:07:25 -0700 | [diff] [blame] | 976 | status_t AST::generateProxyMethodSource(Formatter &out, |
| 977 | const std::string &klassName, |
| 978 | const Method *method, |
| 979 | const Interface *superInterface) const { |
| 980 | |
| 981 | method->generateCppSignature(out, |
| 982 | klassName, |
| 983 | true /* specify namespaces */); |
| 984 | |
| 985 | const bool returnsValue = !method->results().empty(); |
| 986 | const TypedVar *elidedReturn = method->canElideCallback(); |
| 987 | |
Steven Moreland | 41c6d2e | 2016-11-07 12:26:54 -0800 | [diff] [blame] | 988 | out << " {\n"; |
Yifan Hong | 068c552 | 2016-10-31 14:07:25 -0700 | [diff] [blame] | 989 | |
| 990 | out.indent(); |
| 991 | |
| 992 | if (returnsValue && elidedReturn == nullptr) { |
| 993 | generateCheckNonNull(out, "_hidl_cb"); |
| 994 | } |
| 995 | |
| 996 | status_t status = generateCppInstrumentationCall( |
| 997 | out, |
| 998 | InstrumentationEvent::CLIENT_API_ENTRY, |
Yifan Hong | 068c552 | 2016-10-31 14:07:25 -0700 | [diff] [blame] | 999 | method); |
| 1000 | if (status != OK) { |
| 1001 | return status; |
| 1002 | } |
| 1003 | |
| 1004 | out << "::android::hardware::Parcel _hidl_data;\n"; |
| 1005 | out << "::android::hardware::Parcel _hidl_reply;\n"; |
| 1006 | out << "::android::status_t _hidl_err;\n"; |
| 1007 | out << "::android::hardware::Status _hidl_status;\n\n"; |
| 1008 | |
| 1009 | declareCppReaderLocals( |
| 1010 | out, method->results(), true /* forResults */); |
| 1011 | |
| 1012 | out << "_hidl_err = _hidl_data.writeInterfaceToken("; |
Yifan Hong | c893404 | 2016-11-17 17:10:52 -0800 | [diff] [blame] | 1013 | out << superInterface->fqName().cppNamespace() |
| 1014 | << "::I" |
| 1015 | << superInterface->getBaseName(); |
Yifan Hong | 068c552 | 2016-10-31 14:07:25 -0700 | [diff] [blame] | 1016 | out << "::descriptor);\n"; |
Yifan Hong | 068c552 | 2016-10-31 14:07:25 -0700 | [diff] [blame] | 1017 | out << "if (_hidl_err != ::android::OK) { goto _hidl_error; }\n\n"; |
| 1018 | |
| 1019 | // First DFS: write all buffers and resolve pointers for parent |
| 1020 | for (const auto &arg : method->args()) { |
| 1021 | emitCppReaderWriter( |
| 1022 | out, |
| 1023 | "_hidl_data", |
| 1024 | false /* parcelObjIsPointer */, |
| 1025 | arg, |
| 1026 | false /* reader */, |
| 1027 | Type::ErrorMode_Goto, |
| 1028 | false /* addPrefixToName */); |
| 1029 | } |
| 1030 | |
| 1031 | // Second DFS: resolve references. |
| 1032 | for (const auto &arg : method->args()) { |
| 1033 | emitCppResolveReferences( |
| 1034 | out, |
| 1035 | "_hidl_data", |
| 1036 | false /* parcelObjIsPointer */, |
| 1037 | arg, |
| 1038 | false /* reader */, |
| 1039 | Type::ErrorMode_Goto, |
| 1040 | false /* addPrefixToName */); |
| 1041 | } |
| 1042 | |
| 1043 | out << "_hidl_err = remote()->transact(" |
| 1044 | << method->getSerialId() |
| 1045 | << " /* " |
| 1046 | << method->name() |
| 1047 | << " */, _hidl_data, &_hidl_reply"; |
| 1048 | |
| 1049 | if (method->isOneway()) { |
| 1050 | out << ", ::android::hardware::IBinder::FLAG_ONEWAY"; |
| 1051 | } |
| 1052 | out << ");\n"; |
| 1053 | |
| 1054 | out << "if (_hidl_err != ::android::OK) { goto _hidl_error; }\n\n"; |
| 1055 | |
| 1056 | if (!method->isOneway()) { |
Yifan Hong | 859e53f | 2016-11-14 19:08:24 -0800 | [diff] [blame] | 1057 | out << "_hidl_err = ::android::hardware::readFromParcel(&_hidl_status, _hidl_reply);\n"; |
Yifan Hong | 068c552 | 2016-10-31 14:07:25 -0700 | [diff] [blame] | 1058 | out << "if (_hidl_err != ::android::OK) { goto _hidl_error; }\n\n"; |
| 1059 | out << "if (!_hidl_status.isOk()) { return _hidl_status; }\n\n"; |
| 1060 | |
| 1061 | |
| 1062 | // First DFS: write all buffers and resolve pointers for parent |
| 1063 | for (const auto &arg : method->results()) { |
| 1064 | emitCppReaderWriter( |
| 1065 | out, |
| 1066 | "_hidl_reply", |
| 1067 | false /* parcelObjIsPointer */, |
| 1068 | arg, |
| 1069 | true /* reader */, |
| 1070 | Type::ErrorMode_Goto, |
| 1071 | true /* addPrefixToName */); |
| 1072 | } |
| 1073 | |
| 1074 | // Second DFS: resolve references. |
| 1075 | for (const auto &arg : method->results()) { |
| 1076 | emitCppResolveReferences( |
| 1077 | out, |
| 1078 | "_hidl_reply", |
| 1079 | false /* parcelObjIsPointer */, |
| 1080 | arg, |
| 1081 | true /* reader */, |
| 1082 | Type::ErrorMode_Goto, |
| 1083 | true /* addPrefixToName */); |
| 1084 | } |
| 1085 | |
| 1086 | if (returnsValue && elidedReturn == nullptr) { |
| 1087 | out << "_hidl_cb("; |
| 1088 | |
| 1089 | bool first = true; |
| 1090 | for (const auto &arg : method->results()) { |
| 1091 | if (!first) { |
| 1092 | out << ", "; |
| 1093 | } |
| 1094 | |
| 1095 | if (arg->type().resultNeedsDeref()) { |
| 1096 | out << "*"; |
| 1097 | } |
| 1098 | out << "_hidl_out_" << arg->name(); |
| 1099 | |
| 1100 | first = false; |
| 1101 | } |
| 1102 | |
| 1103 | out << ");\n\n"; |
| 1104 | } |
Martijn Coenen | 7b29524 | 2016-11-04 16:52:56 +0100 | [diff] [blame] | 1105 | } |
| 1106 | status = generateCppInstrumentationCall( |
| 1107 | out, |
| 1108 | InstrumentationEvent::CLIENT_API_EXIT, |
| 1109 | method); |
| 1110 | if (status != OK) { |
| 1111 | return status; |
Yifan Hong | 068c552 | 2016-10-31 14:07:25 -0700 | [diff] [blame] | 1112 | } |
| 1113 | |
| 1114 | if (elidedReturn != nullptr) { |
Yifan Hong | 068c552 | 2016-10-31 14:07:25 -0700 | [diff] [blame] | 1115 | out << "_hidl_status.setFromStatusT(_hidl_err);\n"; |
| 1116 | out << "return ::android::hardware::Return<"; |
Yifan Hong | 3b320f8 | 2016-11-01 15:15:54 -0700 | [diff] [blame] | 1117 | out << elidedReturn->type().getCppResultType() |
Yifan Hong | 068c552 | 2016-10-31 14:07:25 -0700 | [diff] [blame] | 1118 | << ">(_hidl_out_" << elidedReturn->name() << ");\n\n"; |
| 1119 | } else { |
| 1120 | out << "_hidl_status.setFromStatusT(_hidl_err);\n"; |
| 1121 | out << "return ::android::hardware::Return<void>();\n\n"; |
| 1122 | } |
| 1123 | |
| 1124 | out.unindent(); |
| 1125 | out << "_hidl_error:\n"; |
| 1126 | out.indent(); |
| 1127 | out << "_hidl_status.setFromStatusT(_hidl_err);\n"; |
| 1128 | out << "return ::android::hardware::Return<"; |
| 1129 | if (elidedReturn != nullptr) { |
Yifan Hong | 3b320f8 | 2016-11-01 15:15:54 -0700 | [diff] [blame] | 1130 | out << method->results().at(0)->type().getCppResultType(); |
Yifan Hong | 068c552 | 2016-10-31 14:07:25 -0700 | [diff] [blame] | 1131 | } else { |
| 1132 | out << "void"; |
| 1133 | } |
| 1134 | out << ">(_hidl_status);\n"; |
| 1135 | |
| 1136 | out.unindent(); |
| 1137 | out << "}\n\n"; |
| 1138 | return OK; |
| 1139 | } |
| 1140 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1141 | status_t AST::generateProxySource( |
| 1142 | Formatter &out, const std::string &baseName) const { |
| 1143 | const std::string klassName = "Bp" + baseName; |
| 1144 | |
| 1145 | out << klassName |
| 1146 | << "::" |
| 1147 | << klassName |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 1148 | << "(const ::android::sp<::android::hardware::IBinder> &_hidl_impl)\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1149 | |
| 1150 | out.indent(); |
| 1151 | out.indent(); |
| 1152 | |
| 1153 | out << ": BpInterface" |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 1154 | << "<IHw" |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1155 | << baseName |
Zhuoyao Zhang | 964f72f | 2016-10-21 11:12:03 -0700 | [diff] [blame] | 1156 | << ">(_hidl_impl),\n" |
Steven Moreland | 19d5c17 | 2016-10-20 19:20:25 -0700 | [diff] [blame] | 1157 | << " ::android::hardware::HidlInstrumentor(\"" |
Zhuoyao Zhang | 964f72f | 2016-10-21 11:12:03 -0700 | [diff] [blame] | 1158 | << mPackage.string() |
| 1159 | << "::I" |
| 1160 | << baseName |
| 1161 | << "\") {\n"; |
Zhuoyao Zhang | 8f49294 | 2016-09-28 14:27:56 -0700 | [diff] [blame] | 1162 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1163 | out.unindent(); |
| 1164 | out.unindent(); |
| 1165 | out << "}\n\n"; |
| 1166 | |
Yifan Hong | 068c552 | 2016-10-31 14:07:25 -0700 | [diff] [blame] | 1167 | status_t err = generateMethods(out, [&](const Method *method, const Interface *superInterface) { |
| 1168 | return generateProxyMethodSource(out, klassName, method, superInterface); |
| 1169 | }); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1170 | |
Yifan Hong | 068c552 | 2016-10-31 14:07:25 -0700 | [diff] [blame] | 1171 | return err; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1172 | } |
| 1173 | |
| 1174 | status_t AST::generateStubSource( |
| 1175 | Formatter &out, const std::string &baseName) const { |
| 1176 | out << "IMPLEMENT_HWBINDER_META_INTERFACE(" |
| 1177 | << baseName |
Yifan Hong | 10fe0b5 | 2016-10-19 14:20:17 -0700 | [diff] [blame] | 1178 | << ", " |
| 1179 | << mPackage.cppNamespace() |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1180 | << "::I" |
| 1181 | << baseName |
Yifan Hong | 10fe0b5 | 2016-10-19 14:20:17 -0700 | [diff] [blame] | 1182 | << "::descriptor);\n\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1183 | |
| 1184 | const std::string klassName = "Bn" + baseName; |
| 1185 | |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 1186 | out << klassName |
| 1187 | << "::" |
| 1188 | << klassName |
| 1189 | << "(const ::android::sp<I" << baseName <<"> &_hidl_impl)\n"; |
| 1190 | |
| 1191 | out.indent(); |
| 1192 | out.indent(); |
| 1193 | |
| 1194 | out << ": BnInterface" |
| 1195 | << "<I" |
| 1196 | << baseName |
| 1197 | << ", IHw" |
| 1198 | << baseName |
Zhuoyao Zhang | 964f72f | 2016-10-21 11:12:03 -0700 | [diff] [blame] | 1199 | << ">(_hidl_impl),\n" |
Steven Moreland | 19d5c17 | 2016-10-20 19:20:25 -0700 | [diff] [blame] | 1200 | << " ::android::hardware::HidlInstrumentor(\"" |
Zhuoyao Zhang | 964f72f | 2016-10-21 11:12:03 -0700 | [diff] [blame] | 1201 | << mPackage.string() |
| 1202 | << "::I" |
| 1203 | << baseName |
| 1204 | << "\") {\n"; |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 1205 | |
| 1206 | out.unindent(); |
| 1207 | out.unindent(); |
| 1208 | out << "}\n\n"; |
| 1209 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1210 | out << "::android::status_t " << klassName << "::onTransact(\n"; |
| 1211 | |
| 1212 | out.indent(); |
| 1213 | out.indent(); |
| 1214 | |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 1215 | out << "uint32_t _hidl_code,\n" |
| 1216 | << "const ::android::hardware::Parcel &_hidl_data,\n" |
| 1217 | << "::android::hardware::Parcel *_hidl_reply,\n" |
| 1218 | << "uint32_t _hidl_flags,\n" |
| 1219 | << "TransactCallback _hidl_cb) {\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1220 | |
| 1221 | out.unindent(); |
| 1222 | |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 1223 | out << "::android::status_t _hidl_err = ::android::OK;\n\n"; |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 1224 | out << "switch (_hidl_code) {\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1225 | out.indent(); |
| 1226 | |
| 1227 | const Interface *iface = mRootScope->getInterface(); |
| 1228 | |
Yifan Hong | 10fe0b5 | 2016-10-19 14:20:17 -0700 | [diff] [blame] | 1229 | for (const auto &tuple : iface->allMethodsFromRoot()) { |
| 1230 | const Method *method = tuple.method(); |
| 1231 | const Interface *superInterface = tuple.interface(); |
| 1232 | out << "case " |
| 1233 | << method->getSerialId() |
| 1234 | << " /* " |
| 1235 | << method->name() |
| 1236 | << " */:\n{\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1237 | |
Yifan Hong | 10fe0b5 | 2016-10-19 14:20:17 -0700 | [diff] [blame] | 1238 | out.indent(); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1239 | |
Yifan Hong | 10fe0b5 | 2016-10-19 14:20:17 -0700 | [diff] [blame] | 1240 | status_t err = |
| 1241 | generateStubSourceForMethod(out, superInterface, method); |
Andreas Huber | 6cb08cf | 2016-08-03 15:44:51 -0700 | [diff] [blame] | 1242 | |
Yifan Hong | 10fe0b5 | 2016-10-19 14:20:17 -0700 | [diff] [blame] | 1243 | if (err != OK) { |
| 1244 | return err; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1245 | } |
Yifan Hong | 10fe0b5 | 2016-10-19 14:20:17 -0700 | [diff] [blame] | 1246 | |
| 1247 | out.unindent(); |
| 1248 | out << "}\n\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1249 | } |
| 1250 | |
| 1251 | out << "default:\n{\n"; |
| 1252 | out.indent(); |
| 1253 | |
Andreas Huber | 8a82ff7 | 2016-08-04 10:29:39 -0700 | [diff] [blame] | 1254 | out << "return ::android::hardware::BnInterface<I" |
Steven Moreland | 4078631 | 2016-08-16 10:29:40 -0700 | [diff] [blame] | 1255 | << baseName << ", IHw" << baseName |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1256 | << ">::onTransact(\n"; |
| 1257 | |
| 1258 | out.indent(); |
| 1259 | out.indent(); |
| 1260 | |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 1261 | out << "_hidl_code, _hidl_data, _hidl_reply, " |
| 1262 | << "_hidl_flags, _hidl_cb);\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1263 | |
| 1264 | out.unindent(); |
| 1265 | out.unindent(); |
| 1266 | |
| 1267 | out.unindent(); |
| 1268 | out << "}\n"; |
| 1269 | |
| 1270 | out.unindent(); |
| 1271 | out << "}\n\n"; |
| 1272 | |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 1273 | out << "if (_hidl_err == ::android::UNEXPECTED_NULL) {\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1274 | out.indent(); |
Yifan Hong | 859e53f | 2016-11-14 19:08:24 -0800 | [diff] [blame] | 1275 | out << "_hidl_err = ::android::hardware::writeToParcel(\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1276 | out.indent(); |
| 1277 | out.indent(); |
Yifan Hong | 859e53f | 2016-11-14 19:08:24 -0800 | [diff] [blame] | 1278 | out << "::android::hardware::Status::fromExceptionCode(::android::hardware::Status::EX_NULL_POINTER),\n"; |
| 1279 | out << "_hidl_reply);\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1280 | out.unindent(); |
| 1281 | out.unindent(); |
| 1282 | |
| 1283 | out.unindent(); |
| 1284 | out << "}\n\n"; |
| 1285 | |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 1286 | out << "return _hidl_err;\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1287 | |
| 1288 | out.unindent(); |
| 1289 | out << "}\n\n"; |
| 1290 | |
| 1291 | return OK; |
| 1292 | } |
| 1293 | |
| 1294 | status_t AST::generateStubSourceForMethod( |
Andreas Huber | 6cb08cf | 2016-08-03 15:44:51 -0700 | [diff] [blame] | 1295 | Formatter &out, const Interface *iface, const Method *method) const { |
Yifan Hong | 10fe0b5 | 2016-10-19 14:20:17 -0700 | [diff] [blame] | 1296 | out << "if (!_hidl_data.enforceInterface("; |
| 1297 | |
Yifan Hong | c893404 | 2016-11-17 17:10:52 -0800 | [diff] [blame] | 1298 | out << iface->fqName().cppNamespace() |
| 1299 | << "::I" |
| 1300 | << iface->getBaseName(); |
Yifan Hong | 10fe0b5 | 2016-10-19 14:20:17 -0700 | [diff] [blame] | 1301 | |
| 1302 | out << "::descriptor)) {\n"; |
Andreas Huber | 6cb08cf | 2016-08-03 15:44:51 -0700 | [diff] [blame] | 1303 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1304 | out.indent(); |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 1305 | out << "_hidl_err = ::android::BAD_TYPE;\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1306 | out << "break;\n"; |
| 1307 | out.unindent(); |
| 1308 | out << "}\n\n"; |
| 1309 | |
Andreas Huber | 5e44a29 | 2016-09-27 14:52:39 -0700 | [diff] [blame] | 1310 | declareCppReaderLocals(out, method->args(), false /* forResults */); |
Andreas Huber | e7ff228 | 2016-08-16 13:50:03 -0700 | [diff] [blame] | 1311 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 1312 | // First DFS: write buffers |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1313 | for (const auto &arg : method->args()) { |
| 1314 | emitCppReaderWriter( |
| 1315 | out, |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 1316 | "_hidl_data", |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1317 | false /* parcelObjIsPointer */, |
| 1318 | arg, |
| 1319 | true /* reader */, |
Andreas Huber | 5e44a29 | 2016-09-27 14:52:39 -0700 | [diff] [blame] | 1320 | Type::ErrorMode_Break, |
| 1321 | false /* addPrefixToName */); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1322 | } |
| 1323 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 1324 | // Second DFS: resolve references |
| 1325 | for (const auto &arg : method->args()) { |
| 1326 | emitCppResolveReferences( |
| 1327 | out, |
| 1328 | "_hidl_data", |
| 1329 | false /* parcelObjIsPointer */, |
| 1330 | arg, |
| 1331 | true /* reader */, |
| 1332 | Type::ErrorMode_Break, |
| 1333 | false /* addPrefixToName */); |
| 1334 | } |
| 1335 | |
Zhuoyao Zhang | 8f49294 | 2016-09-28 14:27:56 -0700 | [diff] [blame] | 1336 | status_t status = generateCppInstrumentationCall( |
| 1337 | out, |
| 1338 | InstrumentationEvent::SERVER_API_ENTRY, |
Zhuoyao Zhang | 8f49294 | 2016-09-28 14:27:56 -0700 | [diff] [blame] | 1339 | method); |
| 1340 | if (status != OK) { |
| 1341 | return status; |
Zhuoyao Zhang | de57800 | 2016-09-07 18:24:17 -0700 | [diff] [blame] | 1342 | } |
| 1343 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1344 | const bool returnsValue = !method->results().empty(); |
Iliyan Malchev | 40d474a | 2016-08-16 06:20:17 -0700 | [diff] [blame] | 1345 | const TypedVar *elidedReturn = method->canElideCallback(); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1346 | |
Iliyan Malchev | 40d474a | 2016-08-16 06:20:17 -0700 | [diff] [blame] | 1347 | if (elidedReturn != nullptr) { |
Yifan Hong | 3b320f8 | 2016-11-01 15:15:54 -0700 | [diff] [blame] | 1348 | out << elidedReturn->type().getCppResultType() |
| 1349 | << " " |
| 1350 | << elidedReturn->name() |
| 1351 | << " = " |
| 1352 | << method->name() |
| 1353 | << "("; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1354 | |
Iliyan Malchev | 40d474a | 2016-08-16 06:20:17 -0700 | [diff] [blame] | 1355 | bool first = true; |
| 1356 | for (const auto &arg : method->args()) { |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1357 | if (!first) { |
| 1358 | out << ", "; |
| 1359 | } |
| 1360 | |
Iliyan Malchev | 40d474a | 2016-08-16 06:20:17 -0700 | [diff] [blame] | 1361 | if (arg->type().resultNeedsDeref()) { |
| 1362 | out << "*"; |
| 1363 | } |
| 1364 | |
| 1365 | out << arg->name(); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1366 | |
| 1367 | first = false; |
| 1368 | } |
| 1369 | |
Steven Moreland | 2ae5bca | 2016-12-01 05:56:49 +0000 | [diff] [blame] | 1370 | out << ");\n\n"; |
Yifan Hong | 859e53f | 2016-11-14 19:08:24 -0800 | [diff] [blame] | 1371 | out << "::android::hardware::writeToParcel(::android::hardware::Status::ok(), " |
| 1372 | << "_hidl_reply);\n\n"; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1373 | |
Iliyan Malchev | 40d474a | 2016-08-16 06:20:17 -0700 | [diff] [blame] | 1374 | elidedReturn->type().emitReaderWriter( |
| 1375 | out, |
| 1376 | elidedReturn->name(), |
| 1377 | "_hidl_reply", |
| 1378 | true, /* parcelObjIsPointer */ |
| 1379 | false, /* isReader */ |
| 1380 | Type::ErrorMode_Ignore); |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1381 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 1382 | emitCppResolveReferences( |
| 1383 | out, |
| 1384 | "_hidl_reply", |
| 1385 | true /* parcelObjIsPointer */, |
| 1386 | elidedReturn, |
| 1387 | false /* reader */, |
| 1388 | Type::ErrorMode_Ignore, |
| 1389 | false /* addPrefixToName */); |
| 1390 | |
Zhuoyao Zhang | 8f49294 | 2016-09-28 14:27:56 -0700 | [diff] [blame] | 1391 | status_t status = generateCppInstrumentationCall( |
| 1392 | out, |
| 1393 | InstrumentationEvent::SERVER_API_EXIT, |
Zhuoyao Zhang | 8f49294 | 2016-09-28 14:27:56 -0700 | [diff] [blame] | 1394 | method); |
| 1395 | if (status != OK) { |
| 1396 | return status; |
| 1397 | } |
Zhuoyao Zhang | de57800 | 2016-09-07 18:24:17 -0700 | [diff] [blame] | 1398 | |
Iliyan Malchev | 549e259 | 2016-08-10 08:59:12 -0700 | [diff] [blame] | 1399 | out << "_hidl_cb(*_hidl_reply);\n"; |
Iliyan Malchev | 40d474a | 2016-08-16 06:20:17 -0700 | [diff] [blame] | 1400 | } else { |
| 1401 | if (returnsValue) { |
| 1402 | out << "bool _hidl_callbackCalled = false;\n\n"; |
| 1403 | } |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1404 | |
Iliyan Malchev | 40d474a | 2016-08-16 06:20:17 -0700 | [diff] [blame] | 1405 | out << method->name() << "("; |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1406 | |
Iliyan Malchev | 40d474a | 2016-08-16 06:20:17 -0700 | [diff] [blame] | 1407 | bool first = true; |
| 1408 | for (const auto &arg : method->args()) { |
| 1409 | if (!first) { |
| 1410 | out << ", "; |
| 1411 | } |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1412 | |
Iliyan Malchev | 40d474a | 2016-08-16 06:20:17 -0700 | [diff] [blame] | 1413 | if (arg->type().resultNeedsDeref()) { |
| 1414 | out << "*"; |
| 1415 | } |
| 1416 | |
| 1417 | out << arg->name(); |
| 1418 | |
| 1419 | first = false; |
| 1420 | } |
| 1421 | |
| 1422 | if (returnsValue) { |
| 1423 | if (!first) { |
| 1424 | out << ", "; |
| 1425 | } |
| 1426 | |
| 1427 | out << "[&]("; |
| 1428 | |
| 1429 | first = true; |
| 1430 | for (const auto &arg : method->results()) { |
| 1431 | if (!first) { |
| 1432 | out << ", "; |
| 1433 | } |
| 1434 | |
| 1435 | out << "const auto &" << arg->name(); |
| 1436 | |
| 1437 | first = false; |
| 1438 | } |
| 1439 | |
| 1440 | out << ") {\n"; |
| 1441 | out.indent(); |
Steven Moreland | 05cd423 | 2016-11-21 16:01:12 -0800 | [diff] [blame] | 1442 | out << "if (_hidl_callbackCalled) {\n"; |
| 1443 | out.indent(); |
| 1444 | out << "LOG_ALWAYS_FATAL(\"" |
| 1445 | << method->name() |
| 1446 | << ": _hidl_cb called a second time, but must be called once.\");\n"; |
| 1447 | out.unindent(); |
| 1448 | out << "}\n"; |
Iliyan Malchev | 40d474a | 2016-08-16 06:20:17 -0700 | [diff] [blame] | 1449 | out << "_hidl_callbackCalled = true;\n\n"; |
| 1450 | |
Yifan Hong | 859e53f | 2016-11-14 19:08:24 -0800 | [diff] [blame] | 1451 | out << "::android::hardware::writeToParcel(::android::hardware::Status::ok(), " |
| 1452 | << "_hidl_reply);\n\n"; |
Iliyan Malchev | 40d474a | 2016-08-16 06:20:17 -0700 | [diff] [blame] | 1453 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 1454 | // First DFS: buffers |
Iliyan Malchev | 40d474a | 2016-08-16 06:20:17 -0700 | [diff] [blame] | 1455 | for (const auto &arg : method->results()) { |
| 1456 | emitCppReaderWriter( |
| 1457 | out, |
| 1458 | "_hidl_reply", |
| 1459 | true /* parcelObjIsPointer */, |
| 1460 | arg, |
| 1461 | false /* reader */, |
Andreas Huber | 5e44a29 | 2016-09-27 14:52:39 -0700 | [diff] [blame] | 1462 | Type::ErrorMode_Ignore, |
| 1463 | false /* addPrefixToName */); |
Iliyan Malchev | 40d474a | 2016-08-16 06:20:17 -0700 | [diff] [blame] | 1464 | } |
| 1465 | |
Yifan Hong | bf459bc | 2016-08-23 16:50:37 -0700 | [diff] [blame] | 1466 | // Second DFS: resolve references |
| 1467 | for (const auto &arg : method->results()) { |
| 1468 | emitCppResolveReferences( |
| 1469 | out, |
| 1470 | "_hidl_reply", |
| 1471 | true /* parcelObjIsPointer */, |
| 1472 | arg, |
| 1473 | false /* reader */, |
| 1474 | Type::ErrorMode_Ignore, |
| 1475 | false /* addPrefixToName */); |
| 1476 | } |
| 1477 | |
Zhuoyao Zhang | 8f49294 | 2016-09-28 14:27:56 -0700 | [diff] [blame] | 1478 | status_t status = generateCppInstrumentationCall( |
| 1479 | out, |
| 1480 | InstrumentationEvent::SERVER_API_EXIT, |
Zhuoyao Zhang | 8f49294 | 2016-09-28 14:27:56 -0700 | [diff] [blame] | 1481 | method); |
| 1482 | if (status != OK) { |
| 1483 | return status; |
Zhuoyao Zhang | de57800 | 2016-09-07 18:24:17 -0700 | [diff] [blame] | 1484 | } |
| 1485 | |
Iliyan Malchev | 40d474a | 2016-08-16 06:20:17 -0700 | [diff] [blame] | 1486 | out << "_hidl_cb(*_hidl_reply);\n"; |
| 1487 | |
| 1488 | out.unindent(); |
| 1489 | out << "}\n"; |
| 1490 | } |
Iliyan Malchev | d57066f | 2016-09-08 13:59:38 -0700 | [diff] [blame] | 1491 | out << ");\n\n"; |
| 1492 | |
Iliyan Malchev | 40d474a | 2016-08-16 06:20:17 -0700 | [diff] [blame] | 1493 | if (returnsValue) { |
| 1494 | out << "if (!_hidl_callbackCalled) {\n"; |
| 1495 | out.indent(); |
Steven Moreland | 05cd423 | 2016-11-21 16:01:12 -0800 | [diff] [blame] | 1496 | out << "LOG_ALWAYS_FATAL(\"" |
| 1497 | << method->name() |
| 1498 | << ": _hidl_cb not called, but must be called once.\");\n"; |
Iliyan Malchev | 40d474a | 2016-08-16 06:20:17 -0700 | [diff] [blame] | 1499 | out.unindent(); |
| 1500 | out << "}\n\n"; |
Steven Moreland | 05cd423 | 2016-11-21 16:01:12 -0800 | [diff] [blame] | 1501 | } else { |
| 1502 | out << "::android::hardware::writeToParcel(" |
| 1503 | << "::android::hardware::Status::ok(), " |
| 1504 | << "_hidl_reply);\n\n"; |
Iliyan Malchev | 40d474a | 2016-08-16 06:20:17 -0700 | [diff] [blame] | 1505 | } |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1506 | } |
| 1507 | |
| 1508 | out << "break;\n"; |
| 1509 | |
| 1510 | return OK; |
| 1511 | } |
| 1512 | |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 1513 | status_t AST::generatePassthroughHeader(const std::string &outputPath) const { |
| 1514 | std::string ifaceName; |
| 1515 | if (!AST::isInterface(&ifaceName)) { |
| 1516 | // types.hal does not get a stub header. |
| 1517 | return OK; |
| 1518 | } |
| 1519 | |
| 1520 | const Interface *iface = mRootScope->getInterface(); |
| 1521 | |
| 1522 | const std::string baseName = iface->getBaseName(); |
| 1523 | const std::string klassName = "Bs" + baseName; |
| 1524 | |
| 1525 | bool supportOneway = iface->hasOnewayMethods(); |
| 1526 | |
| 1527 | std::string path = outputPath; |
| 1528 | path.append(mCoordinator->convertPackageRootToPath(mPackage)); |
| 1529 | path.append(mCoordinator->getPackagePath(mPackage, true /* relative */)); |
| 1530 | path.append(klassName); |
| 1531 | path.append(".h"); |
| 1532 | |
| 1533 | CHECK(Coordinator::MakeParentHierarchy(path)); |
| 1534 | FILE *file = fopen(path.c_str(), "w"); |
| 1535 | |
| 1536 | if (file == NULL) { |
| 1537 | return -errno; |
| 1538 | } |
| 1539 | |
| 1540 | Formatter out(file); |
| 1541 | |
| 1542 | const std::string guard = makeHeaderGuard(klassName); |
| 1543 | |
| 1544 | out << "#ifndef " << guard << "\n"; |
| 1545 | out << "#define " << guard << "\n\n"; |
| 1546 | |
| 1547 | std::vector<std::string> packageComponents; |
| 1548 | getPackageAndVersionComponents( |
| 1549 | &packageComponents, false /* cpp_compatible */); |
| 1550 | |
| 1551 | out << "#include <future>\n"; |
Steven Moreland | ee88eed | 2016-10-31 17:49:00 -0700 | [diff] [blame] | 1552 | |
| 1553 | generateCppPackageInclude(out, mPackage, ifaceName); |
| 1554 | out << "\n"; |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 1555 | |
| 1556 | if (supportOneway) { |
Yifan Hong | 2cbc147 | 2016-10-25 19:02:40 -0700 | [diff] [blame] | 1557 | out << "#include <hidl/TaskRunner.h>\n"; |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 1558 | } |
| 1559 | |
| 1560 | enterLeaveNamespace(out, true /* enter */); |
| 1561 | out << "\n"; |
| 1562 | |
| 1563 | out << "struct " |
| 1564 | << klassName |
| 1565 | << " : " << ifaceName |
Steven Moreland | 19d5c17 | 2016-10-20 19:20:25 -0700 | [diff] [blame] | 1566 | << ", ::android::hardware::HidlInstrumentor {\n"; |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 1567 | |
| 1568 | out.indent(); |
| 1569 | out << "explicit " |
| 1570 | << klassName |
Steven Moreland | c46e984 | 2016-11-02 13:21:26 -0700 | [diff] [blame] | 1571 | << "(const ::android::sp<" |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 1572 | << ifaceName |
| 1573 | << "> impl);\n"; |
| 1574 | |
Yifan Hong | 068c552 | 2016-10-31 14:07:25 -0700 | [diff] [blame] | 1575 | status_t err = generateMethods(out, [&](const Method *method, const Interface *) { |
| 1576 | return generatePassthroughMethod(out, method); |
| 1577 | }); |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 1578 | |
| 1579 | if (err != OK) { |
| 1580 | return err; |
| 1581 | } |
| 1582 | |
| 1583 | out.unindent(); |
| 1584 | out << "private:\n"; |
| 1585 | out.indent(); |
Steven Moreland | c46e984 | 2016-11-02 13:21:26 -0700 | [diff] [blame] | 1586 | out << "const ::android::sp<" << ifaceName << "> mImpl;\n"; |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 1587 | |
| 1588 | if (supportOneway) { |
Yifan Hong | 2cbc147 | 2016-10-25 19:02:40 -0700 | [diff] [blame] | 1589 | out << "::android::hardware::TaskRunner mOnewayQueue;\n"; |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 1590 | |
| 1591 | out << "\n"; |
| 1592 | |
| 1593 | out << "::android::hardware::Return<void> addOnewayTask(" |
| 1594 | "std::function<void(void)>);\n\n"; |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 1595 | } |
| 1596 | |
| 1597 | out.unindent(); |
| 1598 | |
| 1599 | out << "};\n\n"; |
| 1600 | |
| 1601 | enterLeaveNamespace(out, false /* enter */); |
| 1602 | |
| 1603 | out << "\n#endif // " << guard << "\n"; |
| 1604 | |
| 1605 | return OK; |
| 1606 | } |
| 1607 | |
Yifan Hong | fe95aa2 | 2016-10-19 17:26:45 -0700 | [diff] [blame] | 1608 | status_t AST::generateInterfaceSource(Formatter &out) const { |
| 1609 | const Interface *iface = mRootScope->getInterface(); |
| 1610 | |
Yifan Hong | 2d7126b | 2016-10-20 15:12:57 -0700 | [diff] [blame] | 1611 | // generate castFrom functions |
Yifan Hong | fe95aa2 | 2016-10-19 17:26:45 -0700 | [diff] [blame] | 1612 | if (!iface->isRootType()) { |
Yifan Hong | 3b320f8 | 2016-11-01 15:15:54 -0700 | [diff] [blame] | 1613 | std::string childTypeResult = iface->getCppResultType(); |
Yifan Hong | fe95aa2 | 2016-10-19 17:26:45 -0700 | [diff] [blame] | 1614 | |
| 1615 | for (const Interface *superType : iface->superTypeChain()) { |
Yifan Hong | fe95aa2 | 2016-10-19 17:26:45 -0700 | [diff] [blame] | 1616 | out << "// static \n" |
| 1617 | << childTypeResult |
| 1618 | << " I" |
| 1619 | << iface->getBaseName() |
| 1620 | << "::castFrom(" |
Yifan Hong | 3b320f8 | 2016-11-01 15:15:54 -0700 | [diff] [blame] | 1621 | << superType->getCppArgumentType() |
| 1622 | << " parent) {\n"; |
Yifan Hong | fe95aa2 | 2016-10-19 17:26:45 -0700 | [diff] [blame] | 1623 | out.indent(); |
| 1624 | out << "return ::android::hardware::castInterface<"; |
| 1625 | out << "I" << iface->getBaseName() << ", " |
| 1626 | << superType->fqName().cppName() << ", " |
Yifan Hong | 158655a | 2016-11-08 12:34:07 -0800 | [diff] [blame] | 1627 | << "Bp" << iface->getBaseName() << ", " |
| 1628 | << superType->getHwName().cppName() |
Yifan Hong | fe95aa2 | 2016-10-19 17:26:45 -0700 | [diff] [blame] | 1629 | << ">(\n"; |
| 1630 | out.indent(); |
| 1631 | out.indent(); |
| 1632 | out << "parent, \"" |
| 1633 | << iface->fqName().string() |
| 1634 | << "\");\n"; |
| 1635 | out.unindent(); |
| 1636 | out.unindent(); |
| 1637 | out.unindent(); |
| 1638 | out << "}\n\n"; |
| 1639 | } |
| 1640 | } |
| 1641 | |
| 1642 | return OK; |
| 1643 | } |
| 1644 | |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 1645 | status_t AST::generatePassthroughSource(Formatter &out) const { |
| 1646 | const Interface *iface = mRootScope->getInterface(); |
| 1647 | |
| 1648 | const std::string baseName = iface->getBaseName(); |
| 1649 | const std::string klassName = "Bs" + baseName; |
| 1650 | |
| 1651 | out << klassName |
| 1652 | << "::" |
| 1653 | << klassName |
Steven Moreland | c46e984 | 2016-11-02 13:21:26 -0700 | [diff] [blame] | 1654 | << "(const ::android::sp<" |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 1655 | << iface->fullName() |
Steven Moreland | 19d5c17 | 2016-10-20 19:20:25 -0700 | [diff] [blame] | 1656 | << "> impl) : ::android::hardware::HidlInstrumentor(\"" |
Steven Moreland | 9b1cbdf | 2016-11-01 12:23:27 -0700 | [diff] [blame] | 1657 | << iface->fqName().string() |
| 1658 | << "\"), mImpl(impl) {"; |
Yifan Hong | 2cbc147 | 2016-10-25 19:02:40 -0700 | [diff] [blame] | 1659 | if (iface->hasOnewayMethods()) { |
| 1660 | out << "\n"; |
| 1661 | out.indentBlock([&] { |
| 1662 | out << "mOnewayQueue.setLimit(3000 /* similar limit to binderized */);\n"; |
| 1663 | }); |
| 1664 | } |
| 1665 | out << "}\n\n"; |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 1666 | |
| 1667 | if (iface->hasOnewayMethods()) { |
| 1668 | out << "::android::hardware::Return<void> " |
| 1669 | << klassName |
| 1670 | << "::addOnewayTask(std::function<void(void)> fun) {\n"; |
| 1671 | out.indent(); |
Yifan Hong | 2cbc147 | 2016-10-25 19:02:40 -0700 | [diff] [blame] | 1672 | out << "if (!mOnewayQueue.push(fun)) {\n"; |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 1673 | out.indent(); |
Steven Moreland | 67f67b4 | 2016-09-29 08:59:02 -0700 | [diff] [blame] | 1674 | out << "return ::android::hardware::Status::fromExceptionCode(\n"; |
| 1675 | out.indent(); |
| 1676 | out.indent(); |
| 1677 | out << "::android::hardware::Status::EX_TRANSACTION_FAILED);\n"; |
| 1678 | out.unindent(); |
| 1679 | out.unindent(); |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 1680 | out.unindent(); |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 1681 | out << "}\n"; |
| 1682 | |
Steven Moreland | d366c26 | 2016-10-11 15:29:10 -0700 | [diff] [blame] | 1683 | out << "return ::android::hardware::Status();\n"; |
Steven Moreland | 69e7c70 | 2016-09-09 11:16:32 -0700 | [diff] [blame] | 1684 | |
| 1685 | out.unindent(); |
| 1686 | out << "}\n\n"; |
| 1687 | |
| 1688 | |
| 1689 | } |
| 1690 | |
| 1691 | return OK; |
| 1692 | } |
| 1693 | |
Martijn Coenen | 7b29524 | 2016-11-04 16:52:56 +0100 | [diff] [blame] | 1694 | status_t AST::generateCppAtraceCall(Formatter &out, |
| 1695 | InstrumentationEvent event, |
| 1696 | const Method *method) const { |
| 1697 | const Interface *iface = mRootScope->getInterface(); |
| 1698 | std::string baseString = "HIDL::I" + iface->getBaseName() + "::" + method->name(); |
| 1699 | switch (event) { |
| 1700 | case SERVER_API_ENTRY: |
| 1701 | { |
| 1702 | out << "atrace_begin(ATRACE_TAG_HAL, \"" |
| 1703 | << baseString + "::server\");\n"; |
| 1704 | break; |
| 1705 | } |
| 1706 | case CLIENT_API_ENTRY: |
| 1707 | { |
| 1708 | out << "atrace_begin(ATRACE_TAG_HAL, \"" |
| 1709 | << baseString + "::client\");\n"; |
| 1710 | break; |
| 1711 | } |
| 1712 | case PASSTHROUGH_ENTRY: |
| 1713 | { |
| 1714 | out << "atrace_begin(ATRACE_TAG_HAL, \"" |
| 1715 | << baseString + "::passthrough\");\n"; |
| 1716 | break; |
| 1717 | } |
| 1718 | case SERVER_API_EXIT: |
| 1719 | case CLIENT_API_EXIT: |
| 1720 | case PASSTHROUGH_EXIT: |
| 1721 | { |
| 1722 | out << "atrace_end(ATRACE_TAG_HAL);\n"; |
| 1723 | break; |
| 1724 | } |
| 1725 | default: |
| 1726 | { |
| 1727 | LOG(ERROR) << "Unsupported instrumentation event: " << event; |
| 1728 | return UNKNOWN_ERROR; |
| 1729 | } |
| 1730 | } |
| 1731 | |
| 1732 | return OK; |
| 1733 | } |
| 1734 | |
Zhuoyao Zhang | 8f49294 | 2016-09-28 14:27:56 -0700 | [diff] [blame] | 1735 | status_t AST::generateCppInstrumentationCall( |
| 1736 | Formatter &out, |
| 1737 | InstrumentationEvent event, |
Steven Moreland | 031ccf1 | 2016-10-31 15:54:38 -0700 | [diff] [blame] | 1738 | const Method *method) const { |
Martijn Coenen | 7b29524 | 2016-11-04 16:52:56 +0100 | [diff] [blame] | 1739 | status_t err = generateCppAtraceCall(out, event, method); |
| 1740 | if (err != OK) { |
| 1741 | return err; |
| 1742 | } |
| 1743 | |
Zhuoyao Zhang | 8f49294 | 2016-09-28 14:27:56 -0700 | [diff] [blame] | 1744 | out << "if (UNLIKELY(mEnableInstrumentation)) {\n"; |
| 1745 | out.indent(); |
Zhuoyao Zhang | 964f72f | 2016-10-21 11:12:03 -0700 | [diff] [blame] | 1746 | out << "std::vector<void *> _hidl_args;\n"; |
Zhuoyao Zhang | 8f49294 | 2016-09-28 14:27:56 -0700 | [diff] [blame] | 1747 | std::string event_str = ""; |
| 1748 | switch (event) { |
| 1749 | case SERVER_API_ENTRY: |
| 1750 | { |
| 1751 | event_str = "InstrumentationEvent::SERVER_API_ENTRY"; |
| 1752 | for (const auto &arg : method->args()) { |
Zhuoyao Zhang | 964f72f | 2016-10-21 11:12:03 -0700 | [diff] [blame] | 1753 | out << "_hidl_args.push_back((void *)" |
Zhuoyao Zhang | 8f49294 | 2016-09-28 14:27:56 -0700 | [diff] [blame] | 1754 | << (arg->type().resultNeedsDeref() ? "" : "&") |
| 1755 | << arg->name() |
| 1756 | << ");\n"; |
| 1757 | } |
| 1758 | break; |
| 1759 | } |
| 1760 | case SERVER_API_EXIT: |
| 1761 | { |
| 1762 | event_str = "InstrumentationEvent::SERVER_API_EXIT"; |
Steven Moreland | 031ccf1 | 2016-10-31 15:54:38 -0700 | [diff] [blame] | 1763 | for (const auto &arg : method->results()) { |
Zhuoyao Zhang | 964f72f | 2016-10-21 11:12:03 -0700 | [diff] [blame] | 1764 | out << "_hidl_args.push_back((void *)&" |
Steven Moreland | 031ccf1 | 2016-10-31 15:54:38 -0700 | [diff] [blame] | 1765 | << arg->name() |
Zhuoyao Zhang | 8f49294 | 2016-09-28 14:27:56 -0700 | [diff] [blame] | 1766 | << ");\n"; |
Zhuoyao Zhang | 8f49294 | 2016-09-28 14:27:56 -0700 | [diff] [blame] | 1767 | } |
| 1768 | break; |
| 1769 | } |
| 1770 | case CLIENT_API_ENTRY: |
| 1771 | { |
| 1772 | event_str = "InstrumentationEvent::CLIENT_API_ENTRY"; |
| 1773 | for (const auto &arg : method->args()) { |
Zhuoyao Zhang | 964f72f | 2016-10-21 11:12:03 -0700 | [diff] [blame] | 1774 | out << "_hidl_args.push_back((void *)&" |
| 1775 | << arg->name() |
| 1776 | << ");\n"; |
Zhuoyao Zhang | 8f49294 | 2016-09-28 14:27:56 -0700 | [diff] [blame] | 1777 | } |
| 1778 | break; |
| 1779 | } |
| 1780 | case CLIENT_API_EXIT: |
| 1781 | { |
| 1782 | event_str = "InstrumentationEvent::CLIENT_API_EXIT"; |
| 1783 | for (const auto &arg : method->results()) { |
Zhuoyao Zhang | 964f72f | 2016-10-21 11:12:03 -0700 | [diff] [blame] | 1784 | out << "_hidl_args.push_back((void *)" |
Zhuoyao Zhang | 8f49294 | 2016-09-28 14:27:56 -0700 | [diff] [blame] | 1785 | << (arg->type().resultNeedsDeref() ? "" : "&") |
Zhuoyao Zhang | 964f72f | 2016-10-21 11:12:03 -0700 | [diff] [blame] | 1786 | << "_hidl_out_" |
| 1787 | << arg->name() |
Zhuoyao Zhang | 8f49294 | 2016-09-28 14:27:56 -0700 | [diff] [blame] | 1788 | << ");\n"; |
| 1789 | } |
| 1790 | break; |
| 1791 | } |
Steven Moreland | 9b1cbdf | 2016-11-01 12:23:27 -0700 | [diff] [blame] | 1792 | case PASSTHROUGH_ENTRY: |
| 1793 | { |
| 1794 | event_str = "InstrumentationEvent::PASSTHROUGH_ENTRY"; |
| 1795 | for (const auto &arg : method->args()) { |
| 1796 | out << "_hidl_args.push_back((void *)&" |
| 1797 | << arg->name() |
| 1798 | << ");\n"; |
| 1799 | } |
| 1800 | break; |
| 1801 | } |
| 1802 | case PASSTHROUGH_EXIT: |
| 1803 | { |
| 1804 | event_str = "InstrumentationEvent::PASSTHROUGH_EXIT"; |
Zhuoyao Zhang | 085a8c3 | 2016-11-17 15:35:49 -0800 | [diff] [blame] | 1805 | for (const auto &arg : method->results()) { |
| 1806 | out << "_hidl_args.push_back((void *)&" |
| 1807 | << arg->name() |
| 1808 | << ");\n"; |
| 1809 | } |
Steven Moreland | 9b1cbdf | 2016-11-01 12:23:27 -0700 | [diff] [blame] | 1810 | break; |
| 1811 | } |
Steven Moreland | 031ccf1 | 2016-10-31 15:54:38 -0700 | [diff] [blame] | 1812 | default: |
Zhuoyao Zhang | 8f49294 | 2016-09-28 14:27:56 -0700 | [diff] [blame] | 1813 | { |
Steven Moreland | 031ccf1 | 2016-10-31 15:54:38 -0700 | [diff] [blame] | 1814 | LOG(ERROR) << "Unsupported instrumentation event: " << event; |
Zhuoyao Zhang | 8f49294 | 2016-09-28 14:27:56 -0700 | [diff] [blame] | 1815 | return UNKNOWN_ERROR; |
| 1816 | } |
| 1817 | } |
| 1818 | |
Steven Moreland | 031ccf1 | 2016-10-31 15:54:38 -0700 | [diff] [blame] | 1819 | const Interface *iface = mRootScope->getInterface(); |
| 1820 | |
Steven Moreland | 1ab3144 | 2016-11-03 18:37:51 -0700 | [diff] [blame] | 1821 | out << "for (const auto &callback: mInstrumentationCallbacks) {\n"; |
Zhuoyao Zhang | 8f49294 | 2016-09-28 14:27:56 -0700 | [diff] [blame] | 1822 | out.indent(); |
| 1823 | out << "callback(" |
| 1824 | << event_str |
| 1825 | << ", \"" |
| 1826 | << mPackage.package() |
| 1827 | << "\", \"" |
Yifan Hong | 90ea87f | 2016-11-01 14:25:47 -0700 | [diff] [blame] | 1828 | << mPackage.version() |
Zhuoyao Zhang | 8f49294 | 2016-09-28 14:27:56 -0700 | [diff] [blame] | 1829 | << "\", \"" |
| 1830 | << iface->localName() |
| 1831 | << "\", \"" |
| 1832 | << method->name() |
Zhuoyao Zhang | 964f72f | 2016-10-21 11:12:03 -0700 | [diff] [blame] | 1833 | << "\", &_hidl_args);\n"; |
Zhuoyao Zhang | 8f49294 | 2016-09-28 14:27:56 -0700 | [diff] [blame] | 1834 | out.unindent(); |
| 1835 | out << "}\n"; |
| 1836 | out.unindent(); |
| 1837 | out << "}\n\n"; |
| 1838 | |
| 1839 | return OK; |
| 1840 | } |
| 1841 | |
Andreas Huber | 881227d | 2016-08-02 14:20:21 -0700 | [diff] [blame] | 1842 | } // namespace android |
| 1843 | |