89 lines
2.8 KiB
C++
89 lines
2.8 KiB
C++
/*
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* Copyright (C) 2021, The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "check_valid.h"
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#include "aidl.h"
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#include <vector>
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namespace android {
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namespace aidl {
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using TypePredicate = std::function<bool(const AidlTypeSpecifier&)>;
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namespace {
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bool IsListOf(const AidlTypeSpecifier& type, TypePredicate pred) {
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return type.GetName() == "List" && type.IsGeneric() && type.GetTypeParameters().size() == 1 &&
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pred(*type.GetTypeParameters().at(0));
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}
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bool IsArrayOf(const AidlTypeSpecifier& type, TypePredicate pred) {
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return type.IsArray() && pred(type);
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}
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bool IsInterface(const AidlTypeSpecifier& type) {
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return type.GetDefinedType() && type.GetDefinedType()->AsInterface();
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}
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} // namespace
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struct CheckTypeVisitor : AidlVisitor {
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bool success = true;
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std::vector<TypePredicate> checkers;
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void Visit(const AidlTypeSpecifier& type) override {
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for (auto& checker : checkers) {
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if (!checker(type)) {
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success = false;
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}
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}
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}
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void Check(TypePredicate checker) { checkers.push_back(std::move(checker)); }
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};
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bool CheckValid(const AidlDocument& doc, const Options& options) {
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const auto lang = options.TargetLanguage();
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const auto min_sdk_version = options.GetMinSdkVersion();
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CheckTypeVisitor v;
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v.Check([&](const AidlTypeSpecifier& type) {
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const auto valid_version = MinSdkVersionFromString("Tiramisu").value();
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if ((IsListOf(type, IsInterface) || IsArrayOf(type, IsInterface)) &&
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lang == Options::Language::JAVA && min_sdk_version < valid_version) {
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const auto kind = IsListOf(type, IsInterface) ? "List" : "Array";
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AIDL_ERROR(type) << kind << " of interfaces is available since SDK = " << valid_version
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<< " in Java. Current min_sdk_version is " << min_sdk_version << ".";
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return false;
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}
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return true;
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});
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v.Check([&](const AidlTypeSpecifier& type) {
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const auto valid_version = MinSdkVersionFromString("S").value();
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if (type.GetName() == "ParcelableHolder" && min_sdk_version < valid_version) {
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AIDL_ERROR(type) << " ParcelableHolder is available since SDK = " << valid_version
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<< ". Current min_sdk_version is " << min_sdk_version << ".";
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return false;
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}
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return true;
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});
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VisitTopDown(v, doc);
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return v.success;
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}
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} // namespace aidl
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} // namespace android
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