Neel Mehta | 4b6f439 | 2019-05-09 16:03:47 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2019 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 | |
| 17 | #include "AST.h" |
| 18 | #include "Interface.h" |
| 19 | #include "Method.h" |
| 20 | |
| 21 | namespace android { |
| 22 | void AST::generateJavaImpl(Formatter& out) const { |
| 23 | if (!AST::isInterface()) { |
| 24 | // types.hal does not get a stub header. |
| 25 | return; |
| 26 | } |
| 27 | |
| 28 | const Interface* iface = mRootScope.getInterface(); |
| 29 | const std::string baseName = iface->getBaseName(); |
| 30 | |
| 31 | out << "// FIXME: your file license if you have one\n\n"; |
| 32 | out << "// FIXME: add package information\n\n"; |
| 33 | |
| 34 | out << "import " << mPackage.javaPackage() << "." << iface->localName() << ";\n\n"; |
| 35 | |
Neel Mehta | 4b6f439 | 2019-05-09 16:03:47 -0700 | [diff] [blame] | 36 | out << "class " << baseName << " extends " << iface->localName() << ".Stub" |
| 37 | << " {\n"; |
| 38 | |
| 39 | out.indent([&] { |
| 40 | const Interface* prevInterface = nullptr; |
| 41 | for (const auto& tuple : iface->allMethodsFromRoot()) { |
| 42 | const Method* method = tuple.method(); |
| 43 | |
| 44 | if (method->isHidlReserved()) { |
| 45 | continue; |
| 46 | } |
| 47 | |
| 48 | const Interface* superInterface = tuple.interface(); |
| 49 | if (prevInterface != superInterface) { |
| 50 | out << "// Methods from " << superInterface->fullJavaName() << " follow.\n"; |
| 51 | prevInterface = superInterface; |
| 52 | } |
| 53 | |
Neel Mehta | 4b6f439 | 2019-05-09 16:03:47 -0700 | [diff] [blame] | 54 | out << "@Override\npublic "; |
Neel Mehta | 5b447c0 | 2019-05-23 16:12:24 -0700 | [diff] [blame] | 55 | method->emitJavaSignature(out); |
Neel Mehta | 4b6f439 | 2019-05-09 16:03:47 -0700 | [diff] [blame] | 56 | |
Neel Mehta | 5b447c0 | 2019-05-23 16:12:24 -0700 | [diff] [blame] | 57 | out << "\n"; |
Neel Mehta | 4b6f439 | 2019-05-09 16:03:47 -0700 | [diff] [blame] | 58 | out.indent([&] { |
| 59 | out.indent(); |
| 60 | out << "throws android.os.RemoteException {\n"; |
| 61 | out.unindent(); |
| 62 | |
| 63 | out << "// TODO: Implement\n"; |
| 64 | |
| 65 | // Return the appropriate value |
Neel Mehta | 5b447c0 | 2019-05-23 16:12:24 -0700 | [diff] [blame] | 66 | const bool returnsValue = !method->results().empty(); |
Neel Mehta | 4b6f439 | 2019-05-09 16:03:47 -0700 | [diff] [blame] | 67 | if (returnsValue) { |
| 68 | for (const auto& arg : method->results()) { |
| 69 | arg->type().emitJavaFieldInitializer(out, arg->name()); |
| 70 | } |
| 71 | |
Neel Mehta | 5b447c0 | 2019-05-23 16:12:24 -0700 | [diff] [blame] | 72 | const bool needsCallback = method->results().size() > 1; |
Neel Mehta | 4b6f439 | 2019-05-09 16:03:47 -0700 | [diff] [blame] | 73 | if (needsCallback) { |
| 74 | out << "_hidl_cb.onValues("; |
| 75 | |
| 76 | out.join(method->results().begin(), method->results().end(), ", ", |
| 77 | [&](auto& arg) { out << arg->name(); }); |
| 78 | |
| 79 | out << ");\n"; |
| 80 | } else { |
| 81 | // only 1 value is returned |
| 82 | out << "return " << method->results().at(0)->name() << ";\n"; |
| 83 | } |
| 84 | } |
| 85 | }); |
| 86 | |
| 87 | out << "}\n\n"; |
| 88 | } |
| 89 | }); |
| 90 | |
| 91 | out << "}\n"; |
| 92 | } |
| 93 | } // namespace android |