| /* |
| * Copyright (C) 2019 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <hidl-util/FQName.h> |
| #include <string> |
| |
| #include "AidlHelper.h" |
| #include "ArrayType.h" |
| #include "EnumType.h" |
| #include "FmqType.h" |
| #include "NamedType.h" |
| #include "Type.h" |
| #include "VectorType.h" |
| |
| namespace android { |
| |
| static std::string getPlaceholderType(const std::string& type) { |
| return "IBinder /* FIXME: " + type + " */"; |
| } |
| |
| static const std::map<std::string, ReplacedTypeInfo> kReplacedTypes{ |
| {"android.hidl.safe_union@1.0::Monostate", |
| ReplacedTypeInfo{ |
| "boolean", std::nullopt, |
| [](Formatter& out) { out << "// Nothing to translate for Monostate.\n"; }}}, |
| }; |
| |
| std::optional<const ReplacedTypeInfo> AidlHelper::getAidlReplacedType(const FQName& fqName) { |
| const auto& it = kReplacedTypes.find(fqName.string()); |
| if (it != kReplacedTypes.end()) { |
| return it->second; |
| } |
| return std::nullopt; |
| } |
| |
| std::string AidlHelper::getAidlType(const Type& type, const FQName& relativeTo) { |
| if (type.isVector()) { |
| const VectorType& vec = static_cast<const VectorType&>(type); |
| return getAidlType(*vec.getElementType(), relativeTo) + "[]"; |
| } else if (type.isArray()) { |
| const ArrayType& arr = static_cast<const ArrayType&>(type); |
| return getAidlType(*arr.getElementType(), relativeTo) + "[]"; |
| } else if (type.isNamedType()) { |
| const NamedType& namedType = static_cast<const NamedType&>(type); |
| if (getAidlPackage(relativeTo) == getAidlPackage(namedType.fqName())) { |
| return getAidlName(namedType.fqName()); |
| } else { |
| std::optional<const ReplacedTypeInfo> type = getAidlReplacedType(namedType.fqName()); |
| if (type) { |
| notes() << "Replacing type " << namedType.fqName().string() << " with " |
| << type.value().aidlReplacedType << ".\n"; |
| return type.value().aidlReplacedType; |
| } |
| std::optional<std::string> name = getAidlFQName(namedType.fqName()).value(); |
| if (name) { |
| return name.value(); |
| } else { |
| LOG(FATAL) << "Failed to resolve Aidl FQName: " << namedType.fqName().string(); |
| return ""; |
| } |
| } |
| } else if (type.isMemory()) { |
| return getPlaceholderType("memory"); |
| } else if (type.isFmq()) { |
| const FmqType& fmq = static_cast<const FmqType&>(type); |
| return getPlaceholderType(fmq.templatedTypeName() + "<" + |
| getAidlType(*fmq.getElementType(), relativeTo) + ">"); |
| } else if (type.isPointer()) { |
| return getPlaceholderType("pointer"); |
| } else if (type.isEnum()) { |
| // enum type goes to the primitive java type in HIDL, but AIDL should use |
| // the enum type name itself |
| return type.definedName(); |
| } else if (type.isBitField()) { |
| const BitFieldType& bitfield = static_cast<const BitFieldType&>(type); |
| return getAidlType(*bitfield.getElementType(), relativeTo); |
| } else if (type.getJavaType() == "short") { |
| notes() << relativeTo.name() |
| << ": Consider replacing char with int if signed integer is desired\n"; |
| return "char"; |
| } else { |
| return type.getJavaType(); |
| } |
| } |
| |
| } // namespace android |